15112302012 has 72 divisors (see below), whose sum is σ = 40042482480. Its totient is φ = 4800257280.

The previous prime is 15112302001. The next prime is 15112302041. The reversal of 15112302012 is 21020321151.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55587 + ... + 182522.

It is an arithmetic number, because the mean of its divisors is an integer number (556145590).

Almost surely, 2^15112302012 is an apocalyptic number.

15112302012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15112302012 is an abundant number, since it is smaller than the sum of its proper divisors (24930180468).

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

15112302012 is a wasteful number, since it uses less digits than its factorization.

15112302012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238203 (or 238198 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 15112302012 its reverse (21020321151), we get a palindrome (36132623163).

The spelling of 15112302012 in words is "fifteen billion, one hundred twelve million, three hundred two thousand, twelve".