1312310222211 has 32 divisors (see below), whose sum is σ = 1813941803520. Its totient is φ = 843359376384.

The previous prime is 1312310222149. The next prime is 1312310222221. The reversal of 1312310222211 is 1122220132131.

It is not a de Polignac number, because 1312310222211 - 2²⁶ = 1312243113347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312310222221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4346101 + ... + 4638233.

It is an arithmetic number, because the mean of its divisors is an integer number (56685681360).

Almost surely, 2^{1312310222211} is an apocalyptic number.

1312310222211 is a deficient number, since it is larger than the sum of its proper divisors (501631581309).

1312310222211 is a wasteful number, since it uses less digits than its factorization.

1312310222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292635.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1312310222211 its reverse (1122220132131), we get a palindrome (2434530354342).

The spelling of 1312310222211 in words is "one trillion, three hundred twelve billion, three hundred ten million, two hundred twenty-two thousand, two hundred eleven".