12061610156 has 12 divisors (see below), whose sum is σ = 21143060400. Its totient is φ = 6020735760.

The previous prime is 12061610149. The next prime is 12061610161. The reversal of 12061610156 is 65101616021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2514635 + ... + 2519426.

It is an arithmetic number, because the mean of its divisors is an integer number (1761921700).

Almost surely, 2^12061610156 is an apocalyptic number.

It is an amenable number.

12061610156 is a deficient number, since it is larger than the sum of its proper divisors (9081450244).

12061610156 is a wasteful number, since it uses less digits than its factorization.

12061610156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5034664 (or 5034662 counting only the distinct ones).

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

The spelling of 12061610156 in words is "twelve billion, sixty-one million, six hundred ten thousand, one hundred fifty-six".