13012012111331 has 8 divisors (see below), whose sum is σ = 13170603596304. Its totient is φ = 12853463965920.

The previous prime is 13012012111327. The next prime is 13012012111367. The reversal of 13012012111331 is 13311121021031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13012012111331 - 2² = 13012012111327 is a prime.

It is a super-2 number, since 2×13012012111331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13012012111321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10230560 + ... + 11431901.

It is an arithmetic number, because the mean of its divisors is an integer number (1646325449538).

Almost surely, 2^{13012012111331} is an apocalyptic number.

13012012111331 is a deficient number, since it is larger than the sum of its proper divisors (158591484973).

13012012111331 is an equidigital number, since it uses as much as digits as its factorization.

13012012111331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21669781.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 13012012111331 its reverse (13311121021031), we get a palindrome (26323133132362).

The spelling of 13012012111331 in words is "thirteen trillion, twelve billion, twelve million, one hundred eleven thousand, three hundred thirty-one".