12252421426625 has 16 divisors (see below), whose sum is σ = 15294855859920. Its totient is φ = 9799479500800.

The previous prime is 12252421426481. The next prime is 12252421426643. The reversal of 12252421426625 is 52662412425221.

It can be written as a sum of positive squares in 8 ways, for example, as 7661652384961 + 4590769041664 = 2767969^2 + 2142608^2 .

It is not a de Polignac number, because 12252421426625 - 2³² = 12248126459329 is a prime.

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, 11787584 + ... + 12784833.

It is an arithmetic number, because the mean of its divisors is an integer number (955928491245).

Almost surely, 2^{12252421426625} is an apocalyptic number.

It is an amenable number.

12252421426625 is a deficient number, since it is larger than the sum of its proper divisors (3042434433295).

12252421426625 is an equidigital number, since it uses as much as digits as its factorization.

12252421426625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24576421 (or 24576411 counting only the distinct ones).

The product of its digits is 921600, while the sum is 44.

The spelling of 12252421426625 in words is "twelve trillion, two hundred fifty-two billion, four hundred twenty-one million, four hundred twenty-six thousand, six hundred twenty-five".