15012432012 has 96 divisors (see below), whose sum is σ = 37491068160. Its totient is φ = 4659056640.

The previous prime is 15012431971. The next prime is 15012432013. The reversal of 15012432012 is 21023421051.

It is a super-2 number, since 2×15012432012² (a number of 21 digits) contains 22 as substring.

15012432012 is a modest number, since divided by 432012 gives 15012 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 15012432012.

It is not an unprimeable number, because it can be changed into a prime (15012432013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9555187 + ... + 9556757.

It is an arithmetic number, because the mean of its divisors is an integer number (390531960).

Almost surely, 2^15012432012 is an apocalyptic number.

15012432012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15012432012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18745534080).

15012432012 is an abundant number, since it is smaller than the sum of its proper divisors (22478636148).

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

15012432012 is a wasteful number, since it uses less digits than its factorization.

15012432012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071 (or 2069 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 15012432012 its reverse (21023421051), we get a palindrome (36035853063).

The spelling of 15012432012 in words is "fifteen billion, twelve million, four hundred thirty-two thousand, twelve".