12921065196 has 48 divisors (see below), whose sum is σ = 32638384128. Its totient is φ = 3954888000.

The previous prime is 12921065137. The next prime is 12921065221. The reversal of 12921065196 is 69156012921.

12921065196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187030 + ... + 246621.

It is an arithmetic number, because the mean of its divisors is an integer number (679966336).

Almost surely, 2^12921065196 is an apocalyptic number.

It is an amenable number.

12921065196 is an abundant number, since it is smaller than the sum of its proper divisors (19717318932).

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

12921065196 is a wasteful number, since it uses less digits than its factorization.

12921065196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433862 (or 433860 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The spelling of 12921065196 in words is "twelve billion, nine hundred twenty-one million, sixty-five thousand, one hundred ninety-six".