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2012021200222 = 211261234758073
BaseRepresentation
bin11101010001110101110…
…011110001010101011110
321010100101012212002112221
4131101311303301111132
5230431104411401342
64140150525015554
7265235522010025
oct35216563612536
97110335762487
102012021200222
11706325572500
12285b399b45ba
1311796ac0c6b7
146d54d2298bc
153750d539a67
hex1d475cf155e

2012021200222 has 48 divisors (see below), whose sum is σ = 3373218068976. Its totient is φ = 899163619200.

The previous prime is 2012021200207. The next prime is 2012021200243. The reversal of 2012021200222 is 2220021202102.

It is a junction number, because it is equal to n+sod(n) for n = 2012021200196 and 2012021200205.

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, 34617378 + ... + 34675450.

It is an arithmetic number, because the mean of its divisors is an integer number (70275376437).

Almost surely, 22012021200222 is an apocalyptic number.

2012021200222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2012021200222 is a deficient number, since it is larger than the sum of its proper divisors (1361196868754).

2012021200222 is a wasteful number, since it uses less digits than its factorization.

2012021200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60505 (or 60494 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2012021200222 its reverse (2220021202102), we get a palindrome (4232042402324).

The spelling of 2012021200222 in words is "two trillion, twelve billion, twenty-one million, two hundred thousand, two hundred twenty-two".

Divisors: 1 2 11 22 61 121 122 242 671 1342 2347 4694 7381 14762 25817 51634 58073 116146 143167 283987 286334 567974 638803 1277606 1574837 3149674 3542453 7026833 7084906 14053666 17323207 34646414 38966983 77933966 136297331 272594662 428636813 857273626 1499270641 2998541282 8314137191 16491977051 16628274382 32983954102 91455509101 182911018202 1006010600111 2012021200222