12125609372 has 12 divisors (see below), whose sum is σ = 21258613320. Its totient is φ = 6051719856.

The previous prime is 12125609347. The next prime is 12125609429. The reversal of 12125609372 is 27390652121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2768747 + ... + 2773122.

It is an arithmetic number, because the mean of its divisors is an integer number (1771551110).

Almost surely, 2^12125609372 is an apocalyptic number.

It is an amenable number.

12125609372 is a deficient number, since it is larger than the sum of its proper divisors (9133003948).

12125609372 is a wasteful number, since it uses less digits than its factorization.

12125609372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5542420 (or 5542418 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 12125609372 in words is "twelve billion, one hundred twenty-five million, six hundred nine thousand, three hundred seventy-two".