12637149225 has 24 divisors (see below), whose sum is σ = 21567405312. Its totient is φ = 6522398400.

The previous prime is 12637149199. The next prime is 12637149229. The reversal of 12637149225 is 52294173621.

It is a happy number.

12637149225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12637149225 - 2¹¹ = 12637147177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12637149229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2715342 + ... + 2719991.

It is an arithmetic number, because the mean of its divisors is an integer number (898641888).

Almost surely, 2^12637149225 is an apocalyptic number.

12637149225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12637149225 is a deficient number, since it is larger than the sum of its proper divisors (8930256087).

12637149225 is a wasteful number, since it uses less digits than its factorization.

12637149225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5435377 (or 5435372 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The spelling of 12637149225 in words is "twelve billion, six hundred thirty-seven million, one hundred forty-nine thousand, two hundred twenty-five".