12031200211312 has 20 divisors (see below), whose sum is σ = 23310636324880. Its totient is φ = 6015552127488.

The previous prime is 12031200211187. The next prime is 12031200211339. The reversal of 12031200211312 is 21311200213021.

12031200211312 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 2×12031200211312² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12031200211312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 884673 + ... + 4984480.

It is an arithmetic number, because the mean of its divisors is an integer number (1165531816244).

Almost surely, 2^{12031200211312} is an apocalyptic number.

It is an amenable number.

12031200211312 is a deficient number, since it is larger than the sum of its proper divisors (11279436113568).

12031200211312 is a wasteful number, since it uses less digits than its factorization.

12031200211312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5997280 (or 5997274 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12031200211312 its reverse (21311200213021), we get a palindrome (33342400424333).

The spelling of 12031200211312 in words is "twelve trillion, thirty-one billion, two hundred million, two hundred eleven thousand, three hundred twelve".