12125052540120 has 128 divisors (see below), whose sum is σ = 39229940816640. Its totient is φ = 2980308764160.

The previous prime is 12125052540109. The next prime is 12125052540151. The reversal of 12125052540120 is 2104525052121.

It is a super-2 number, since 2×12125052540120² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4546114 + ... + 6702033.

It is an arithmetic number, because the mean of its divisors is an integer number (306483912630).

Almost surely, 2^{12125052540120} is an apocalyptic number.

12125052540120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12125052540120 is an abundant number, since it is smaller than the sum of its proper divisors (27104888276520).

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

12125052540120 is a wasteful number, since it uses less digits than its factorization.

12125052540120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11248865 (or 11248861 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 12125052540120 its reverse (2104525052121), we get a palindrome (14229577592241).

The spelling of 12125052540120 in words is "twelve trillion, one hundred twenty-five billion, fifty-two million, five hundred forty thousand, one hundred twenty".