13213121301 has 32 divisors (see below), whose sum is σ = 19767600000. Its totient is φ = 8722232064.

The previous prime is 13213121297. The next prime is 13213121309. The reversal of 13213121301 is 10312131231.

13213121301 is a `hidden beast` number, since 1 + 321 + 312 + 1 + 30 + 1 = 666.

It is not a de Polignac number, because 13213121301 - 2² = 13213121297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213121309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5182375 + ... + 5184923.

It is an arithmetic number, because the mean of its divisors is an integer number (617737500).

Almost surely, 2^13213121301 is an apocalyptic number.

It is an amenable number.

13213121301 is a deficient number, since it is larger than the sum of its proper divisors (6554478699).

13213121301 is a wasteful number, since it uses less digits than its factorization.

13213121301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4370 (or 4364 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13213121301 its reverse (10312131231), we get a palindrome (23525252532).

The spelling of 13213121301 in words is "thirteen billion, two hundred thirteen million, one hundred twenty-one thousand, three hundred one".