1312232310211 has 4 divisors (see below), whose sum is σ = 1325224709424. Its totient is φ = 1299239911000.

The previous prime is 1312232310161. The next prime is 1312232310239. The reversal of 1312232310211 is 1120132322131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1312232310211 - 2¹⁵ = 1312232277443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312232311211) 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, 6496199455 + ... + 6496199656.

It is an arithmetic number, because the mean of its divisors is an integer number (331306177356).

Almost surely, 2^{1312232310211} is an apocalyptic number.

1312232310211 is a deficient number, since it is larger than the sum of its proper divisors (12992399213).

1312232310211 is a wasteful number, since it uses less digits than its factorization.

1312232310211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12992399212.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1312232310211 its reverse (1120132322131), we get a palindrome (2432364632342).

The spelling of 1312232310211 in words is "one trillion, three hundred twelve billion, two hundred thirty-two million, three hundred ten thousand, two hundred eleven".