12001113131012 has 24 divisors (see below), whose sum is σ = 22237534319616. Its totient is φ = 5647537536128.

The previous prime is 12001113130991. The next prime is 12001113131023. The reversal of 12001113131012 is 21013131110021.

It is a super-2 number, since 2×12001113131012² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 8807213 + ... + 10078155.

It is an arithmetic number, because the mean of its divisors is an integer number (926563929984).

Almost surely, 2^{12001113131012} is an apocalyptic number.

It is an amenable number.

12001113131012 is a deficient number, since it is larger than the sum of its proper divisors (10236421188604).

12001113131012 is a wasteful number, since it uses less digits than its factorization.

12001113131012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409827 (or 1409825 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 12001113131012 its reverse (21013131110021), we get a palindrome (33014244241033).

The spelling of 12001113131012 in words is "twelve trillion, one billion, one hundred thirteen million, one hundred thirty-one thousand, twelve".