12629220169 has 16 divisors (see below), whose sum is σ = 13297996800. Its totient is φ = 11977318080.

The previous prime is 12629220133. The next prime is 12629220209. The reversal of 12629220169 is 96102292621.

It is a cyclic number.

It is not a de Polignac number, because 12629220169 - 2¹³ = 12629211977 is a prime.

It is a super-2 number, since 2×12629220169² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12629290169) 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, 1584807 + ... + 1592755.

It is an arithmetic number, because the mean of its divisors is an integer number (831124800).

Almost surely, 2^12629220169 is an apocalyptic number.

It is an amenable number.

12629220169 is a deficient number, since it is larger than the sum of its proper divisors (668776631).

12629220169 is an equidigital number, since it uses as much as digits as its factorization.

12629220169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9000.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 12629220169 in words is "twelve billion, six hundred twenty-nine million, two hundred twenty thousand, one hundred sixty-nine".