12013010220131 has 4 divisors (see below), whose sum is σ = 12024247836000. Its totient is φ = 12001772604264.

The previous prime is 12013010220121. The next prime is 12013010220161. The reversal of 12013010220131 is 13102201031021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12013010220131 is a prime.

It is a super-2 number, since 2×12013010220131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12013010220121) 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, 5618806331 + ... + 5618808468.

It is an arithmetic number, because the mean of its divisors is an integer number (3006061959000).

Almost surely, 2^{12013010220131} is an apocalyptic number.

12013010220131 is a deficient number, since it is larger than the sum of its proper divisors (11237615869).

12013010220131 is a wasteful number, since it uses less digits than its factorization.

12013010220131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11237615868.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12013010220131 its reverse (13102201031021), we get a palindrome (25115211251152).

The spelling of 12013010220131 in words is "twelve trillion, thirteen billion, ten million, two hundred twenty thousand, one hundred thirty-one".