12013020133312 has 56 divisors (see below), whose sum is σ = 27535191228720. Its totient is φ = 5139259944960.

The previous prime is 12013020133291. The next prime is 12013020133339. The reversal of 12013020133312 is 21333102031021.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501868887 + ... + 501892822.

It is an arithmetic number, because the mean of its divisors is an integer number (491699843370).

Almost surely, 2^{12013020133312} is an apocalyptic number.

It is an amenable number.

12013020133312 is an abundant number, since it is smaller than the sum of its proper divisors (15522171095408).

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

12013020133312 is a wasteful number, since it uses less digits than its factorization.

12013020133312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003761749 (or 1003761739 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12013020133312 its reverse (21333102031021), we get a palindrome (33346122164333).

The spelling of 12013020133312 in words is "twelve trillion, thirteen billion, twenty million, one hundred thirty-three thousand, three hundred twelve".