12013620356361 has 64 divisors (see below), whose sum is σ = 17978782187520. Its totient is φ = 7084700985600.

The previous prime is 12013620356299. The next prime is 12013620356383. The reversal of 12013620356361 is 16365302631021.

It is not a de Polignac number, because 12013620356361 - 2³⁴ = 11996440487177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (12013620356561) 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, 202687416 + ... + 202746678.

It is an arithmetic number, because the mean of its divisors is an integer number (280918471680).

Almost surely, 2^{12013620356361} is an apocalyptic number.

It is an amenable number.

12013620356361 is a deficient number, since it is larger than the sum of its proper divisors (5965161831159).

12013620356361 is a wasteful number, since it uses less digits than its factorization.

12013620356361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60646.

The product of its (nonzero) digits is 116640, while the sum is 39.

Adding to 12013620356361 its reverse (16365302631021), we get a palindrome (28378922987382).

The spelling of 12013620356361 in words is "twelve trillion, thirteen billion, six hundred twenty million, three hundred fifty-six thousand, three hundred sixty-one".