12021231300213 has 16 divisors (see below), whose sum is σ = 16474159086336. Its totient is φ = 7791561835200.

The previous prime is 12021231300209. The next prime is 12021231300223. The reversal of 12021231300213 is 31200313212021.

It is not a de Polignac number, because 12021231300213 - 2² = 12021231300209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12021231300213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021231300223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41477181 + ... + 41766002.

It is an arithmetic number, because the mean of its divisors is an integer number (1029634942896).

Almost surely, 2^{12021231300213} is an apocalyptic number.

It is an amenable number.

12021231300213 is a deficient number, since it is larger than the sum of its proper divisors (4452927786123).

12021231300213 is a wasteful number, since it uses less digits than its factorization.

12021231300213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83244524.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12021231300213 its reverse (31200313212021), we get a palindrome (43221544512234).

The spelling of 12021231300213 in words is "twelve trillion, twenty-one billion, two hundred thirty-one million, three hundred thousand, two hundred thirteen".