212919517612 has 6 divisors (see below), whose sum is σ = 372609155828. Its totient is φ = 106459758804.

The previous prime is 212919517583. The next prime is 212919517651. The reversal of 212919517612 is 216715919212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26614939698 + ... + 26614939705.

Almost surely, 2^212919517612 is an apocalyptic number.

It is an amenable number.

212919517612 is a deficient number, since it is larger than the sum of its proper divisors (159689638216).

212919517612 is a wasteful number, since it uses less digits than its factorization.

212919517612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53229879407 (or 53229879405 counting only the distinct ones).

The product of its digits is 136080, while the sum is 46.

The spelling of 212919517612 in words is "two hundred twelve billion, nine hundred nineteen million, five hundred seventeen thousand, six hundred twelve".