12015133015 has 8 divisors (see below), whose sum is σ = 14448263040. Its totient is φ = 9592037472.

The previous prime is 12015133007. The next prime is 12015133021. The reversal of 12015133015 is 51033151021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12015133015 - 2³ = 12015133007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2505984 + ... + 2510773.

It is an arithmetic number, because the mean of its divisors is an integer number (1806032880).

Almost surely, 2^12015133015 is an apocalyptic number.

12015133015 is a deficient number, since it is larger than the sum of its proper divisors (2433130025).

12015133015 is an equidigital number, since it uses as much as digits as its factorization.

12015133015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017241.

The product of its (nonzero) digits is 450, while the sum is 22.

Adding to 12015133015 its reverse (51033151021), we get a palindrome (63048284036).

The spelling of 12015133015 in words is "twelve billion, fifteen million, one hundred thirty-three thousand, fifteen".