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1202256120131 = 11172734951461
BaseRepresentation
bin10001011111101100000…
…011001000100101000011
311020221020021222212222022
4101133230003020211003
5124144210031321011
62320150413032055
7152601012256523
oct21375403104503
94227207885868
101202256120131
11423968267590
1217500918562b
13894abb38331
1442292013683
1521417ce08db
hex117ec0c8943

1202256120131 has 24 divisors (see below), whose sum is σ = 1393457158800. Its totient is φ = 1028508377600.

The previous prime is 1202256120113. The next prime is 1202256120151. The reversal of 1202256120131 is 1310216522021.

It is not a de Polignac number, because 1202256120131 - 230 = 1201182378307 is a prime.

It is a super-2 number, since 2×12022561201312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1202256120131.

It is not an unprimeable number, because it can be changed into a prime (1202256120151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23336741 + ... + 23388201.

It is an arithmetic number, because the mean of its divisors is an integer number (58060714950).

Almost surely, 21202256120131 is an apocalyptic number.

1202256120131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1202256120131 is a deficient number, since it is larger than the sum of its proper divisors (191201038669).

1202256120131 is a wasteful number, since it uses less digits than its factorization.

1202256120131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58855 (or 58838 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 1202256120131 in words is "one trillion, two hundred two billion, two hundred fifty-six million, one hundred twenty thousand, one hundred thirty-one".

Divisors: 1 11 17 187 289 3179 7349 51461 80839 124933 566071 874837 1374263 2123861 9623207 14872229 23362471 163594519 378186889 4160055779 6429177113 70720948243 109296010921 1202256120131