12180016408 has 16 divisors (see below), whose sum is σ = 26100035280. Its totient is φ = 5220007008.

The previous prime is 12180016393. The next prime is 12180016423. The reversal of 12180016408 is 80461008121.

It is an interprime number because it is at equal distance from previous prime (12180016393) and next prime (12180016423).

It is a self number, because there is not a number n which added to its sum of digits gives 12180016408.

It is a congruent number.

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, 108750091 + ... + 108750202.

It is an arithmetic number, because the mean of its divisors is an integer number (1631252205).

Almost surely, 2^12180016408 is an apocalyptic number.

It is an amenable number.

12180016408 is an abundant number, since it is smaller than the sum of its proper divisors (13920018872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12180016408 is a wasteful number, since it uses less digits than its factorization.

12180016408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217500306 (or 217500302 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The spelling of 12180016408 in words is "twelve billion, one hundred eighty million, sixteen thousand, four hundred eight".