12013214431213 has 4 divisors (see below), whose sum is σ = 12019284779040. Its totient is φ = 12007144083388.

The previous prime is 12013214431139. The next prime is 12013214431217. The reversal of 12013214431213 is 31213441231021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12013214431213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013214431217) 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, 3035170945 + ... + 3035174902.

It is an arithmetic number, because the mean of its divisors is an integer number (3004821194760).

Almost surely, 2^{12013214431213} is an apocalyptic number.

It is an amenable number.

12013214431213 is a deficient number, since it is larger than the sum of its proper divisors (6070347827).

12013214431213 is an equidigital number, since it uses as much as digits as its factorization.

12013214431213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6070347826.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 12013214431213 its reverse (31213441231021), we get a palindrome (43226655662234).

The spelling of 12013214431213 in words is "twelve trillion, thirteen billion, two hundred fourteen million, four hundred thirty-one thousand, two hundred thirteen".