12129114875 has 16 divisors (see below), whose sum is σ = 15140633664. Its totient is φ = 9701049600.

The previous prime is 12129114863. The next prime is 12129114887. The reversal of 12129114875 is 57841192121.

It is an interprime number because it is at equal distance from previous prime (12129114863) and next prime (12129114887).

It is not a de Polignac number, because 12129114875 - 2⁴ = 12129114859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 723842 + ... + 740408.

It is an arithmetic number, because the mean of its divisors is an integer number (946289604).

Almost surely, 2^12129114875 is an apocalyptic number.

12129114875 is a deficient number, since it is larger than the sum of its proper divisors (3011518789).

12129114875 is an equidigital number, since it uses as much as digits as its factorization.

12129114875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22439 (or 22429 counting only the distinct ones).

The product of its digits is 40320, while the sum is 41.

The spelling of 12129114875 in words is "twelve billion, one hundred twenty-nine million, one hundred fourteen thousand, eight hundred seventy-five".