12311220213300 has 72 divisors (see below), whose sum is σ = 35768266781632. Its totient is φ = 3269369664000.

The previous prime is 12311220213277. The next prime is 12311220213307. The reversal of 12311220213300 is 331202211321.

12311220213300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12311220213300² (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 (12311220213307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85067536 + ... + 85212135.

Almost surely, 2^{12311220213300} is an apocalyptic number.

12311220213300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12311220213300 is an abundant number, since it is smaller than the sum of its proper divisors (23457046568332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12311220213300 is a wasteful number, since it uses less digits than its factorization.

12311220213300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170279929 (or 170279922 counting only the distinct ones).

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

Adding to 12311220213300 its reverse (331202211321), we get a palindrome (12642422424621).

The spelling of 12311220213300 in words is "twelve trillion, three hundred eleven billion, two hundred twenty million, two hundred thirteen thousand, three hundred".