12630953571 has 8 divisors (see below), whose sum is σ = 17199596544. Its totient is φ = 8241473160.

The previous prime is 12630953561. The next prime is 12630953579. The reversal of 12630953571 is 17535903621.

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

It is not a de Polignac number, because 12630953571 - 2⁶ = 12630953507 is a prime.

It is a super-2 number, since 2×12630953571² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12630953579) 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, 44790475 + ... + 44790756.

It is an arithmetic number, because the mean of its divisors is an integer number (2149949568).

Almost surely, 2^12630953571 is an apocalyptic number.

12630953571 is a deficient number, since it is larger than the sum of its proper divisors (4568642973).

12630953571 is an equidigital number, since it uses as much as digits as its factorization.

12630953571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89581281.

The product of its (nonzero) digits is 170100, while the sum is 42.

The spelling of 12630953571 in words is "twelve billion, six hundred thirty million, nine hundred fifty-three thousand, five hundred seventy-one".