12012970176 has 84 divisors (see below), whose sum is σ = 35016719400. Its totient is φ = 3936442368.

The previous prime is 12012970171. The next prime is 12012970183. The reversal of 12012970176 is 67107921021.

It is a happy number.

It is a super-2 number, since 2×12012970176² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12012970176.

It is not an unprimeable number, because it can be changed into a prime (12012970171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142761 + ... + 210728.

Almost surely, 2^12012970176 is an apocalyptic number.

12012970176 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12012970176 is an abundant number, since it is smaller than the sum of its proper divisors (23003749224).

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

12012970176 is a wasteful number, since it uses less digits than its factorization.

12012970176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353566 (or 353553 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The spelling of 12012970176 in words is "twelve billion, twelve million, nine hundred seventy thousand, one hundred seventy-six".