12120510051056 has 40 divisors (see below), whose sum is σ = 26732192137344. Its totient is φ = 5269786976960.

The previous prime is 12120510051049. The next prime is 12120510051071. The reversal of 12120510051056 is 65015001502121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1497094526 + ... + 1497102621.

Almost surely, 2^{12120510051056} is an apocalyptic number.

12120510051056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12120510051056 is an abundant number, since it is smaller than the sum of its proper divisors (14611682086288).

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

12120510051056 is a wasteful number, since it uses less digits than its factorization.

12120510051056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2994197189 (or 2994197183 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 29.

Adding to 12120510051056 its reverse (65015001502121), we get a palindrome (77135511553177).

The spelling of 12120510051056 in words is "twelve trillion, one hundred twenty billion, five hundred ten million, fifty-one thousand, fifty-six".