12691429632907 has 8 divisors (see below), whose sum is σ = 13151819167200. Its totient is φ = 12232557033984.

The previous prime is 12691429632859. The next prime is 12691429632953. The reversal of 12691429632907 is 70923692419621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12691429632907 is a prime.

It is a super-2 number, since 2×12691429632907² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12691429632107) 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, 379216807 + ... + 379250272.

It is an arithmetic number, because the mean of its divisors is an integer number (1643977395900).

Almost surely, 2^{12691429632907} is an apocalyptic number.

12691429632907 is a deficient number, since it is larger than the sum of its proper divisors (460389534293).

12691429632907 is an equidigital number, since it uses as much as digits as its factorization.

12691429632907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758467685.

The product of its (nonzero) digits is 17635968, while the sum is 61.

The spelling of 12691429632907 in words is "twelve trillion, six hundred ninety-one billion, four hundred twenty-nine million, six hundred thirty-two thousand, nine hundred seven".