13212639105 has 32 divisors (see below), whose sum is σ = 23155632000. Its totient is φ = 6403525632.

The previous prime is 13212639073. The next prime is 13212639113. The reversal of 13212639105 is 50193621231.

It is not a de Polignac number, because 13212639105 - 2⁵ = 13212639073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 885955 + ... + 900744.

It is an arithmetic number, because the mean of its divisors is an integer number (723613500).

Almost surely, 2^13212639105 is an apocalyptic number.

13212639105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13212639105 is a deficient number, since it is larger than the sum of its proper divisors (9942992895).

13212639105 is a wasteful number, since it uses less digits than its factorization.

13212639105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786753.

The product of its (nonzero) digits is 9720, while the sum is 33.

The spelling of 13212639105 in words is "thirteen billion, two hundred twelve million, six hundred thirty-nine thousand, one hundred five".