12311010303121 has 4 divisors (see below), whose sum is σ = 12846271620672. Its totient is φ = 11775748985572.

The previous prime is 12311010303089. The next prime is 12311010303131. The reversal of 12311010303121 is 12130301011321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12311010303121 - 2⁵ = 12311010303089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12311010303131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267630658741 + ... + 267630658786.

It is an arithmetic number, because the mean of its divisors is an integer number (3211567905168).

Almost surely, 2^{12311010303121} is an apocalyptic number.

It is an amenable number.

12311010303121 is a deficient number, since it is larger than the sum of its proper divisors (535261317551).

12311010303121 is an equidigital number, since it uses as much as digits as its factorization.

12311010303121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535261317550.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 12311010303121 its reverse (12130301011321), we get a palindrome (24441311314442).

The spelling of 12311010303121 in words is "twelve trillion, three hundred eleven billion, ten million, three hundred three thousand, one hundred twenty-one".