13122412111331 has 4 divisors (see below), whose sum is σ = 13122590065464. Its totient is φ = 13122234157200.

The previous prime is 13122412111313. The next prime is 13122412111339. The reversal of 13122412111331 is 13311121422131.

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 13122412111331 - 2²⁶ = 13122345002467 is a prime.

It is a super-2 number, since 2×13122412111331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13122412111331.

It is not an unprimeable number, because it can be changed into a prime (13122412111339) 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, 88866410 + ... + 89013951.

It is an arithmetic number, because the mean of its divisors is an integer number (3280647516366).

Almost surely, 2^{13122412111331} is an apocalyptic number.

13122412111331 is a deficient number, since it is larger than the sum of its proper divisors (177954133).

13122412111331 is an equidigital number, since it uses as much as digits as its factorization.

13122412111331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177954132.

The product of its digits is 864, while the sum is 26.

Adding to 13122412111331 its reverse (13311121422131), we get a palindrome (26433533533462).

The spelling of 13122412111331 in words is "thirteen trillion, one hundred twenty-two billion, four hundred twelve million, one hundred eleven thousand, three hundred thirty-one".