12635252241 has 16 divisors (see below), whose sum is σ = 16890638976. Its totient is φ = 8401712256.

The previous prime is 12635252209. The next prime is 12635252243. The reversal of 12635252241 is 14225253621.

It is a happy number.

It is not a de Polignac number, because 12635252241 - 2⁵ = 12635252209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12635252243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2393581 + ... + 2398853.

It is an arithmetic number, because the mean of its divisors is an integer number (1055664936).

Almost surely, 2^12635252241 is an apocalyptic number.

It is an amenable number.

12635252241 is a deficient number, since it is larger than the sum of its proper divisors (4255386735).

12635252241 is a wasteful number, since it uses less digits than its factorization.

12635252241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7192.

The product of its digits is 28800, while the sum is 33.

The spelling of 12635252241 in words is "twelve billion, six hundred thirty-five million, two hundred fifty-two thousand, two hundred forty-one".