192216812 has 12 divisors (see below), whose sum is σ = 337181376. Its totient is φ = 95879280.

The previous prime is 192216797. The next prime is 192216821. The reversal of 192216812 is 218612291.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55388 + ... + 58755.

It is an arithmetic number, because the mean of its divisors is an integer number (28098448).

Almost surely, 2^192216812 is an apocalyptic number.

It is an amenable number.

192216812 is a deficient number, since it is larger than the sum of its proper divisors (144964564).

192216812 is a wasteful number, since it uses less digits than its factorization.

192216812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114568 (or 114566 counting only the distinct ones).

The product of its digits is 3456, while the sum is 32.

The square root of 192216812 is about 13864.2277823181. The cubic root of 192216812 is about 577.1168971406.

The spelling of 192216812 in words is "one hundred ninety-two million, two hundred sixteen thousand, eight hundred twelve".