12015290162 has 6 divisors (see below), whose sum is σ = 18023167773. Its totient is φ = 6007567572.

The previous prime is 12015290159. The next prime is 12015290197. The reversal of 12015290162 is 26109251021.

It can be written as a sum of positive squares in 2 ways, for example, as 7292989201 + 4722300961 = 85399^2 + 68719^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=77509.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 116264 + ... + 193772.

Almost surely, 2^12015290162 is an apocalyptic number.

12015290162 is a deficient number, since it is larger than the sum of its proper divisors (6007877611).

12015290162 is an frugal number, since it uses more digits than its factorization.

12015290162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155020 (or 77511 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 12015290162 in words is "twelve billion, fifteen million, two hundred ninety thousand, one hundred sixty-two".