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210202111220012 = 22227231500122489
BaseRepresentation
bin101111110010110101111110…
…001010111001100100101100
31000120021010101112210002021222
4233302311332022321210230
5210022422410433020022
62023021303343242512
762163413162003402
oct5762657612714454
91016233345702258
10210202111220012
1160a8223a90a39a
121b6aa6b18a9438
139039c87c52382
1439c9b9d3a1472
151947c8c988242
hexbf2d7e2b992c

210202111220012 has 12 divisors (see below), whose sum is σ = 369474195494040. Its totient is φ = 104638055364576.

The previous prime is 210202111219987. The next prime is 210202111220027. The reversal of 210202111220012 is 210022111202012.

It is a super-2 number, since 2×2102021112200122 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115750060337 + ... + 115750062152.

It is an arithmetic number, because the mean of its divisors is an integer number (30789516291170).

Almost surely, 2210202111220012 is an apocalyptic number.

It is an amenable number.

210202111220012 is a deficient number, since it is larger than the sum of its proper divisors (159272084274028).

210202111220012 is a wasteful number, since it uses less digits than its factorization.

210202111220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231500122720 (or 231500122718 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210202111220012 its reverse (210022111202012), we get a palindrome (420224222422024).

The spelling of 210202111220012 in words is "two hundred ten trillion, two hundred two billion, one hundred eleven million, two hundred twenty thousand, twelve".

Divisors: 1 2 4 227 454 908 231500122489 463000244978 926000489956 52550527805003 105101055610006 210202111220012