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12200012220222 = 2323731757786551
BaseRepresentation
bin1011000110001000100101…
…1001010000011100111110
31121012022100211100122021200
42301202021121100130332
53044341111112021342
641540335214040330
72366264450564001
oct261421131203476
947168324318250
1012200012220222
113983aa5932262
12145053b4a90a6
136a65c13ca058
143026ab561538
1516253c4aa94c
hexb188965073e

12200012220222 has 48 divisors (see below), whose sum is σ = 27233415080352. Its totient is φ = 3944278756800.

The previous prime is 12200012220217. The next prime is 12200012220247. The reversal of 12200012220222 is 22202221000221.

12200012220222 is a `hidden beast` number, since 1 + 220 + 0 + 0 + 1 + 2 + 220 + 222 = 666.

It is a super-2 number, since 2×122000122202222 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12200012220195 and 12200012220204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28682154 + ... + 29104397.

It is an arithmetic number, because the mean of its divisors is an integer number (567362814174).

Almost surely, 212200012220222 is an apocalyptic number.

12200012220222 is an abundant number, since it is smaller than the sum of its proper divisors (15033402860130).

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

12200012220222 is a wasteful number, since it uses less digits than its factorization.

12200012220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57786913 (or 57786910 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12200012220222 its reverse (22202221000221), we get a palindrome (34402233220443).

The spelling of 12200012220222 in words is "twelve trillion, two hundred billion, twelve million, two hundred twenty thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 37 74 111 222 317 333 634 666 951 1902 2853 5706 11729 23458 35187 70374 105561 211122 57786551 115573102 173359653 346719306 520078959 1040157918 2138102387 4276204774 6414307161 12828614322 18318336667 19242921483 36636673334 38485842966 54955010001 109910020002 164865030003 329730060006 677778456679 1355556913358 2033335370037 4066670740074 6100006110111 12200012220222