12252400120 has 32 divisors (see below), whose sum is σ = 27572803200. Its totient is φ = 4900088448.

The previous prime is 12252400099. The next prime is 12252400163. The reversal of 12252400120 is 2100425221.

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, 230626 + ... + 278734.

It is an arithmetic number, because the mean of its divisors is an integer number (861650100).

Almost surely, 2^12252400120 is an apocalyptic number.

12252400120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12252400120 is an abundant number, since it is smaller than the sum of its proper divisors (15320403080).

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

12252400120 is a wasteful number, since it uses less digits than its factorization.

12252400120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54487 (or 54483 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 12252400120 its reverse (2100425221), we get a palindrome (14352825341).

The spelling of 12252400120 in words is "twelve billion, two hundred fifty-two million, four hundred thousand, one hundred twenty".