212653917896 has 32 divisors (see below), whose sum is σ = 460807056000. Its totient is φ = 90113375616.

The previous prime is 212653917877. The next prime is 212653917901. The reversal of 212653917896 is 698719356212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21328676 + ... + 21338643.

It is an arithmetic number, because the mean of its divisors is an integer number (14400220500).

Almost surely, 2^212653917896 is an apocalyptic number.

It is an amenable number.

212653917896 is an abundant number, since it is smaller than the sum of its proper divisors (248153138104).

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

212653917896 is a wasteful number, since it uses less digits than its factorization.

212653917896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42667421 (or 42667417 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 59.

The spelling of 212653917896 in words is "two hundred twelve billion, six hundred fifty-three million, nine hundred seventeen thousand, eight hundred ninety-six".