12107273121 has 16 divisors (see below), whose sum is σ = 18240715200. Its totient is φ = 7934709024.

The previous prime is 12107273077. The next prime is 12107273137. The reversal of 12107273121 is 12137270121.

It is not a de Polignac number, because 12107273121 - 2⁹ = 12107272609 is a prime.

It is a super-3 number, since 3×12107273121³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12107275121) 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, 3798556 + ... + 3801741.

It is an arithmetic number, because the mean of its divisors is an integer number (1140044700).

Almost surely, 2^12107273121 is an apocalyptic number.

It is an amenable number.

12107273121 is a deficient number, since it is larger than the sum of its proper divisors (6133442079).

12107273121 is an equidigital number, since it uses as much as digits as its factorization.

12107273121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7600365 (or 7600359 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The spelling of 12107273121 in words is "twelve billion, one hundred seven million, two hundred seventy-three thousand, one hundred twenty-one".