13122032012311 has 4 divisors (see below), whose sum is σ = 13122040606624. Its totient is φ = 13122023418000.

The previous prime is 13122032012279. The next prime is 13122032012423. The reversal of 13122032012311 is 11321023022131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13122032012311 - 2⁵ = 13122032012279 is a prime.

It is a super-2 number, since 2×13122032012311² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122032012711) 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, 1318830 + ... + 5289931.

It is an arithmetic number, because the mean of its divisors is an integer number (3280510151656).

Almost surely, 2^{13122032012311} is an apocalyptic number.

13122032012311 is a deficient number, since it is larger than the sum of its proper divisors (8594313).

13122032012311 is an equidigital number, since it uses as much as digits as its factorization.

13122032012311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8594312.

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

Adding to 13122032012311 its reverse (11321023022131), we get a palindrome (24443055034442).

The spelling of 13122032012311 in words is "thirteen trillion, one hundred twenty-two billion, thirty-two million, twelve thousand, three hundred eleven".