12013614300521 has 4 divisors (see below), whose sum is σ = 12013935738000. Its totient is φ = 12013292863044.

The previous prime is 12013614300517. The next prime is 12013614300529. The reversal of 12013614300521 is 12500341631021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12013614300521 - 2² = 12013614300517 is a prime.

It is a super-2 number, since 2×12013614300521² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12013614300529) 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, 160662671 + ... + 160737428.

It is an arithmetic number, because the mean of its divisors is an integer number (3003483934500).

Almost surely, 2^{12013614300521} is an apocalyptic number.

It is an amenable number.

12013614300521 is a deficient number, since it is larger than the sum of its proper divisors (321437479).

12013614300521 is an equidigital number, since it uses as much as digits as its factorization.

12013614300521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321437478.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 12013614300521 its reverse (12500341631021), we get a palindrome (24513955931542).

The spelling of 12013614300521 in words is "twelve trillion, thirteen billion, six hundred fourteen million, three hundred thousand, five hundred twenty-one".