13121210023313 has 64 divisors (see below), whose sum is σ = 16111872000000. Its totient is φ = 10437007521024.

The previous prime is 13121210023303. The next prime is 13121210023319. The reversal of 13121210023313 is 31332001212131.

It is not a de Polignac number, because 13121210023313 - 2¹² = 13121210019217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13121210023319) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 472839563 + ... + 472867311.

It is an arithmetic number, because the mean of its divisors is an integer number (251748000000).

Almost surely, 2^{13121210023313} is an apocalyptic number.

It is an amenable number.

13121210023313 is a deficient number, since it is larger than the sum of its proper divisors (2990661976687).

13121210023313 is a wasteful number, since it uses less digits than its factorization.

13121210023313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28254.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13121210023313 its reverse (31332001212131), we get a palindrome (44453211235444).

The spelling of 13121210023313 in words is "thirteen trillion, one hundred twenty-one billion, two hundred ten million, twenty-three thousand, three hundred thirteen".