12080538146 has 16 divisors (see below), whose sum is σ = 18469664064. Its totient is φ = 5924069424.

The previous prime is 12080538139. The next prime is 12080538161. The reversal of 12080538146 is 64183508021.

It is a super-2 number, since 2×12080538146² (a number of 21 digits) contains 22 as substring.

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, 281315 + ... + 321401.

It is an arithmetic number, because the mean of its divisors is an integer number (1154354004).

Almost surely, 2^12080538146 is an apocalyptic number.

12080538146 is a deficient number, since it is larger than the sum of its proper divisors (6389125918).

12080538146 is a wasteful number, since it uses less digits than its factorization.

12080538146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42985.

The product of its (nonzero) digits is 46080, while the sum is 38.

The spelling of 12080538146 in words is "twelve billion, eighty million, five hundred thirty-eight thousand, one hundred forty-six".