12437147225 has 24 divisors (see below), whose sum is σ = 15493800000. Its totient is φ = 9903551040.

The previous prime is 12437147209. The next prime is 12437147237. The reversal of 12437147225 is 52274173421.

It is not a de Polignac number, because 12437147225 - 2⁴ = 12437147209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7319426 + ... + 7321124.

It is an arithmetic number, because the mean of its divisors is an integer number (645575000).

Almost surely, 2^12437147225 is an apocalyptic number.

It is an amenable number.

12437147225 is a deficient number, since it is larger than the sum of its proper divisors (3056652775).

12437147225 is a wasteful number, since it uses less digits than its factorization.

12437147225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897 (or 2892 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The spelling of 12437147225 in words is "twelve billion, four hundred thirty-seven million, one hundred forty-seven thousand, two hundred twenty-five".