12612198942 has 48 divisors (see below), whose sum is σ = 31340649600. Its totient is φ = 3590742096.

The previous prime is 12612198941. The next prime is 12612198953. The reversal of 12612198942 is 24989121621.

It is a happy number.

12612198942 is a `hidden beast` number, since 12 + 612 + 19 + 8 + 9 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12612198941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141192 + ... + 212507.

It is an arithmetic number, because the mean of its divisors is an integer number (652930200).

Almost surely, 2^12612198942 is an apocalyptic number.

12612198942 is an abundant number, since it is smaller than the sum of its proper divisors (18728450658).

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

12612198942 is a wasteful number, since it uses less digits than its factorization.

12612198942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353997 (or 353994 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The spelling of 12612198942 in words is "twelve billion, six hundred twelve million, one hundred ninety-eight thousand, nine hundred forty-two".