125425052012 has 48 divisors (see below), whose sum is σ = 250419641472. Its totient is φ = 54453442560.

The previous prime is 125425052003. The next prime is 125425052033. The reversal of 125425052012 is 210250524521.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1616048 + ... + 1691880.

It is an arithmetic number, because the mean of its divisors is an integer number (5217075864).

Almost surely, 2^125425052012 is an apocalyptic number.

It is an amenable number.

125425052012 is a deficient number, since it is larger than the sum of its proper divisors (124994589460).

125425052012 is a wasteful number, since it uses less digits than its factorization.

125425052012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77738 (or 77736 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 125425052012 its reverse (210250524521), we get a palindrome (335675576533).

The spelling of 125425052012 in words is "one hundred twenty-five billion, four hundred twenty-five million, fifty-two thousand, twelve".