12099851275 has 12 divisors (see below), whose sum is σ = 15258119400. Its totient is φ = 9515814080.

The previous prime is 12099851249. The next prime is 12099851297. The reversal of 12099851275 is 57215899021.

It is not a de Polignac number, because 12099851275 - 2²³ = 12091462667 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4100170 + ... + 4103119.

It is an arithmetic number, because the mean of its divisors is an integer number (1271509950).

Almost surely, 2^12099851275 is an apocalyptic number.

12099851275 is a deficient number, since it is larger than the sum of its proper divisors (3158268125).

12099851275 is an equidigital number, since it uses as much as digits as its factorization.

12099851275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8203358 (or 8203353 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 49.

The spelling of 12099851275 in words is "twelve billion, ninety-nine million, eight hundred fifty-one thousand, two hundred seventy-five".