13122010231021 has 16 divisors (see below), whose sum is σ = 13482562867200. Its totient is φ = 12764860360560.

The previous prime is 13122010231019. The next prime is 13122010231063. The reversal of 13122010231021 is 12013201022131.

It is a cyclic number.

It is not a de Polignac number, because 13122010231021 - 2¹ = 13122010231019 is a prime.

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 13122010231021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122010238021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105106366 + ... + 105231136.

It is an arithmetic number, because the mean of its divisors is an integer number (842660179200).

Almost surely, 2^{13122010231021} is an apocalyptic number.

It is an amenable number.

13122010231021 is a deficient number, since it is larger than the sum of its proper divisors (360552636179).

13122010231021 is a wasteful number, since it uses less digits than its factorization.

13122010231021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138384.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 13122010231021 its reverse (12013201022131), we get a palindrome (25135211253152).

The spelling of 13122010231021 in words is "thirteen trillion, one hundred twenty-two billion, ten million, two hundred thirty-one thousand, twenty-one".