12015444412530 has 96 divisors (see below), whose sum is σ = 34069108469760. Its totient is φ = 2920209252480.

The previous prime is 12015444412469. The next prime is 12015444412589. The reversal of 12015444412530 is 3521444451021.

12015444412530 is a `hidden beast` number, since 1 + 2 + 0 + 154 + 44 + 412 + 53 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64905106 + ... + 65089965.

It is an arithmetic number, because the mean of its divisors is an integer number (354886546560).

Almost surely, 2^{12015444412530} is an apocalyptic number.

12015444412530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12015444412530 is an abundant number, since it is smaller than the sum of its proper divisors (22053664057230).

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

12015444412530 is a wasteful number, since it uses less digits than its factorization.

12015444412530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129995176 (or 129995173 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 12015444412530 its reverse (3521444451021), we get a palindrome (15536888863551).

The spelling of 12015444412530 in words is "twelve trillion, fifteen billion, four hundred forty-four million, four hundred twelve thousand, five hundred thirty".