123212204092 has 6 divisors (see below), whose sum is σ = 215621357168. Its totient is φ = 61606102044.

The previous prime is 123212204083. The next prime is 123212204111. The reversal of 123212204092 is 290402212321.

It is a self number, because there is not a number n which added to its sum of digits gives 123212204092.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15401525508 + ... + 15401525515.

Almost surely, 2^123212204092 is an apocalyptic number.

It is an amenable number.

123212204092 is a deficient number, since it is larger than the sum of its proper divisors (92409153076).

123212204092 is a wasteful number, since it uses less digits than its factorization.

123212204092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30803051027 (or 30803051025 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 123212204092 in words is "one hundred twenty-three billion, two hundred twelve million, two hundred four thousand, ninety-two".