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1210011230022 = 237238967720789
BaseRepresentation
bin10001100110111010010…
…010100001111101000110
311021200020202121021210120
4101212322102201331012
5124311100333330042
62323512124002410
7153264130516410
oct21467222417506
94250222537716
101210011230022
11427187881411
12176612390406
138a14670785a
14427c9d719b0
152171da65dec
hex119ba4a1f46

1210011230022 has 128 divisors (see below), whose sum is σ = 2922867763200. Its totient is φ = 326472047616.

The previous prime is 1210011229997. The next prime is 1210011230023. The reversal of 1210011230022 is 2200321100121.

It is a junction number, because it is equal to n+sod(n) for n = 1210011229983 and 1210011230010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210011230023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 58194004 + ... + 58214792.

It is an arithmetic number, because the mean of its divisors is an integer number (22834904400).

Almost surely, 21210011230022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210011230022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1461433881600).

1210011230022 is an abundant number, since it is smaller than the sum of its proper divisors (1712856533178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1210011230022 is a wasteful number, since it uses less digits than its factorization.

1210011230022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21590.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1210011230022 its reverse (2200321100121), we get a palindrome (3410332330143).

The spelling of 1210011230022 in words is "one trillion, two hundred ten billion, eleven million, two hundred thirty thousand, twenty-two".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 89 138 161 178 267 322 483 534 623 677 966 1246 1354 1869 2031 2047 3738 4062 4094 4739 6141 9478 12282 14217 14329 15571 20789 28434 28658 31142 41578 42987 46713 60253 62367 85974 93426 108997 120506 124734 145523 180759 217994 291046 326991 361518 421771 436569 478147 653982 843542 873138 956294 1265313 1385819 1434441 1850221 2530626 2771638 2868882 3347029 3700442 4157457 5550663 6694058 8314914 9700733 10041087 11101326 12951547 14074153 19401466 20082174 25903094 28148306 29102199 38854641 42222459 42555083 58204398 77709282 84444918 85110166 98519071 127665249 197038142 255330498 295557213 297885581 323705519 591114426 595771162 647411038 893656743 971116557 1252599617 1787313486 1942233114 2265938633 2505199234 3757798851 4531877266 6797815899 7515597702 8768197319 13595631798 17536394638 26304591957 28809791191 52609183914 57619582382 86429373573 172858747146 201668538337 403337076674 605005615011 1210011230022