12015364312 has 128 divisors (see below), whose sum is σ = 29217853440. Its totient is φ = 4510218240.

The previous prime is 12015364297. The next prime is 12015364327. The reversal of 12015364312 is 21346351021.

12015364312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12015364297) and next prime (12015364327).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 802737 + ... + 817567.

It is an arithmetic number, because the mean of its divisors is an integer number (228264480).

Almost surely, 2^12015364312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12015364312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14608926720).

12015364312 is an abundant number, since it is smaller than the sum of its proper divisors (17202489128).

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

12015364312 is a wasteful number, since it uses less digits than its factorization.

12015364312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14921 (or 14917 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 12015364312 in words is "twelve billion, fifteen million, three hundred sixty-four thousand, three hundred twelve".