212796918 has 24 divisors (see below), whose sum is σ = 470871648. Its totient is φ = 69422832.

The previous prime is 212796917. The next prime is 212796919. The reversal of 212796918 is 819697212.

It is an interprime number because it is at equal distance from previous prime (212796917) and next prime (212796919).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212796917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124921 + ... + 126612.

It is an arithmetic number, because the mean of its divisors is an integer number (19619652).

Almost surely, 2^212796918 is an apocalyptic number.

212796918 is an abundant number, since it is smaller than the sum of its proper divisors (258074730).

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

212796918 is a wasteful number, since it uses less digits than its factorization.

212796918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251588 (or 251585 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 212796918 is about 14587.5603854791. The cubic root of 212796918 is about 597.0194012365.

The spelling of 212796918 in words is "two hundred twelve million, seven hundred ninety-six thousand, nine hundred eighteen".