12051532015 has 8 divisors (see below), whose sum is σ = 14471418528. Its totient is φ = 9634838880.

The previous prime is 12051531979. The next prime is 12051532049. The reversal of 12051532015 is 51023515021.

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

It is not a de Polignac number, because 12051532015 - 2⁷ = 12051531887 is a prime.

It is a Duffinian number.

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, 790032 + ... + 805141.

It is an arithmetic number, because the mean of its divisors is an integer number (1808927316).

Almost surely, 2^12051532015 is an apocalyptic number.

12051532015 is a deficient number, since it is larger than the sum of its proper divisors (2419886513).

12051532015 is a wasteful number, since it uses less digits than its factorization.

12051532015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596689.

The product of its (nonzero) digits is 1500, while the sum is 25.

The spelling of 12051532015 in words is "twelve billion, fifty-one million, five hundred thirty-two thousand, fifteen".