12020320133213 has 16 divisors (see below), whose sum is σ = 14211576274560. Its totient is φ = 9947598897600.

The previous prime is 12020320133149. The next prime is 12020320133219. The reversal of 12020320133213 is 31233102302021.

It is not a de Polignac number, because 12020320133213 - 2⁶ = 12020320133149 is a prime.

It is a super-2 number, since 2×12020320133213² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020320133219) 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, 7497323 + ... + 8958263.

It is an arithmetic number, because the mean of its divisors is an integer number (888223517160).

Almost surely, 2^{12020320133213} is an apocalyptic number.

It is an amenable number.

12020320133213 is a deficient number, since it is larger than the sum of its proper divisors (2191256141347).

12020320133213 is a wasteful number, since it uses less digits than its factorization.

12020320133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501508.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12020320133213 its reverse (31233102302021), we get a palindrome (43253422435234).

The spelling of 12020320133213 in words is "twelve trillion, twenty billion, three hundred twenty million, one hundred thirty-three thousand, two hundred thirteen".