13012312220231 has 8 divisors (see below), whose sum is σ = 13040813518080. Its totient is φ = 12983828123448.

The previous prime is 13012312220227. The next prime is 13012312220239. The reversal of 13012312220231 is 13202221321031.

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 13012312220231 - 2² = 13012312220227 is a prime.

It is a super-2 number, since 2×13012312220231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13012312220197 and 13012312220206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012312220239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2785061 + ... + 5812158.

It is an arithmetic number, because the mean of its divisors is an integer number (1630101689760).

Almost surely, 2^{13012312220231} is an apocalyptic number.

13012312220231 is a deficient number, since it is larger than the sum of its proper divisors (28501297849).

13012312220231 is an equidigital number, since it uses as much as digits as its factorization.

13012312220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8600533.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13012312220231 its reverse (13202221321031), we get a palindrome (26214533541262).

The spelling of 13012312220231 in words is "thirteen trillion, twelve billion, three hundred twelve million, two hundred twenty thousand, two hundred thirty-one".