425139000012 has 36 divisors (see below), whose sum is σ = 1081249918840. Its totient is φ = 140843593152.

The previous prime is 425139000001. The next prime is 425139000031. The reversal of 425139000012 is 210000931524.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 425139000012.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36219337 + ... + 36231072.

Almost surely, 2^425139000012 is an apocalyptic number.

It is an amenable number.

425139000012 is an abundant number, since it is smaller than the sum of its proper divisors (656110918828).

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

425139000012 is a wasteful number, since it uses less digits than its factorization.

425139000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72450582 (or 72450577 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 425139000012 its reverse (210000931524), we get a palindrome (635139931536).

The spelling of 425139000012 in words is "four hundred twenty-five billion, one hundred thirty-nine million, twelve", and thus it is an aban number.