212664930776 has 16 divisors (see below), whose sum is σ = 398751763200. Its totient is φ = 106331127264.

The previous prime is 212664930773. The next prime is 212664930817. The reversal of 212664930776 is 677039466212.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212664930773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937046 + ... + 1141658.

It is an arithmetic number, because the mean of its divisors is an integer number (24921985200).

Almost surely, 2^212664930776 is an apocalyptic number.

It is an amenable number.

212664930776 is a deficient number, since it is larger than the sum of its proper divisors (186086832424).

212664930776 is a wasteful number, since it uses less digits than its factorization.

212664930776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334538 (or 334534 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 53.

The spelling of 212664930776 in words is "two hundred twelve billion, six hundred sixty-four million, nine hundred thirty thousand, seven hundred seventy-six".