12001113020312 has 32 divisors (see below), whose sum is σ = 24249313569600. Its totient is φ = 5535250235904.

The previous prime is 12001113020297. The next prime is 12001113020317. The reversal of 12001113020312 is 21302031110021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001113020317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38646737 + ... + 38956032.

It is an arithmetic number, because the mean of its divisors is an integer number (757791049050).

Almost surely, 2^{12001113020312} is an apocalyptic number.

It is an amenable number.

12001113020312 is an abundant number, since it is smaller than the sum of its proper divisors (12248200549288).

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

12001113020312 is a wasteful number, since it uses less digits than its factorization.

12001113020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77604275 (or 77604271 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12001113020312 its reverse (21302031110021), we get a palindrome (33303144130333).

The spelling of 12001113020312 in words is "twelve trillion, one billion, one hundred thirteen million, twenty thousand, three hundred twelve".