12050510771556 has 72 divisors (see below), whose sum is σ = 30578460179904. Its totient is φ = 4001371917120.

The previous prime is 12050510771531. The next prime is 12050510771557. The reversal of 12050510771556 is 65517701505021.

12050510771556 is a `hidden beast` number, since 1 + 2 + 0 + 5 + 0 + 510 + 77 + 15 + 56 = 666.

It is a super-2 number, since 2×12050510771556² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12050510771557) 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, 12411426 + ... + 13347078.

It is an arithmetic number, because the mean of its divisors is an integer number (424700835832).

Almost surely, 2^{12050510771556} is an apocalyptic number.

It is an amenable number.

12050510771556 is an abundant number, since it is smaller than the sum of its proper divisors (18527949408348).

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

12050510771556 is a wasteful number, since it uses less digits than its factorization.

12050510771556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937041 (or 937036 counting only the distinct ones).

The product of its (nonzero) digits is 367500, while the sum is 45.

The spelling of 12050510771556 in words is "twelve trillion, fifty billion, five hundred ten million, seven hundred seventy-one thousand, five hundred fifty-six".