212996826 has 48 divisors (see below), whose sum is σ = 538200000. Its totient is φ = 60854472.

The previous prime is 212996807. The next prime is 212996867. The reversal of 212996826 is 628699212.

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 in 23 ways as a sum of consecutive naturals, for example, 11076 + ... + 23423.

It is an arithmetic number, because the mean of its divisors is an integer number (11212500).

Almost surely, 2^212996826 is an apocalyptic number.

212996826 is an abundant number, since it is smaller than the sum of its proper divisors (325203174).

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

212996826 is a wasteful number, since it uses less digits than its factorization.

212996826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34528 (or 34511 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 212996826 is about 14594.4107794731. The cubic root of 212996826 is about 597.2062955482.

The spelling of 212996826 in words is "two hundred twelve million, nine hundred ninety-six thousand, eight hundred twenty-six".