12042851015 has 32 divisors (see below), whose sum is σ = 16305063936. Its totient is φ = 8477758080.

The previous prime is 12042850999. The next prime is 12042851027. The reversal of 12042851015 is 51015824021.

It is not a de Polignac number, because 12042851015 - 2⁴ = 12042850999 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 31 ways as a sum of consecutive naturals, for example, 90404 + ... + 179606.

It is an arithmetic number, because the mean of its divisors is an integer number (509533248).

Almost surely, 2^12042851015 is an apocalyptic number.

12042851015 is a deficient number, since it is larger than the sum of its proper divisors (4262212921).

12042851015 is a wasteful number, since it uses less digits than its factorization.

12042851015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89319.

The product of its (nonzero) digits is 3200, while the sum is 29.

The spelling of 12042851015 in words is "twelve billion, forty-two million, eight hundred fifty-one thousand, fifteen".