12125139904 has 14 divisors (see below), whose sum is σ = 24060824624. Its totient is φ = 6062569920.

The previous prime is 12125139893. The next prime is 12125139907. The reversal of 12125139904 is 40993152121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12125139907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94727592 + ... + 94727719.

Almost surely, 2^12125139904 is an apocalyptic number.

It is an amenable number.

12125139904 is a deficient number, since it is larger than the sum of its proper divisors (11935684720).

12125139904 is an equidigital number, since it uses as much as digits as its factorization.

12125139904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189455323 (or 189455313 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The spelling of 12125139904 in words is "twelve billion, one hundred twenty-five million, one hundred thirty-nine thousand, nine hundred four".