12632422521 has 8 divisors (see below), whose sum is σ = 16843790304. Its totient is φ = 8421334880.

The previous prime is 12632422513. The next prime is 12632422529. The reversal of 12632422521 is 12522423621.

It is an interprime number because it is at equal distance from previous prime (12632422513) and next prime (12632422529).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12632422521 - 2³ = 12632422513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12632422529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82885 + ... + 179261.

It is an arithmetic number, because the mean of its divisors is an integer number (2105473788).

Almost surely, 2^12632422521 is an apocalyptic number.

It is an amenable number.

12632422521 is a deficient number, since it is larger than the sum of its proper divisors (4211367783).

12632422521 is an equidigital number, since it uses as much as digits as its factorization.

12632422521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140071.

The product of its digits is 11520, while the sum is 30.

The spelling of 12632422521 in words is "twelve billion, six hundred thirty-two million, four hundred twenty-two thousand, five hundred twenty-one".