212322199964 has 12 divisors (see below), whose sum is σ = 424644399984. Its totient is φ = 90995228544.

The previous prime is 212322199883. The next prime is 212322199967. The reversal of 212322199964 is 469991223212.

212322199964 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212322199967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3791467829 + ... + 3791467884.

It is an arithmetic number, because the mean of its divisors is an integer number (35387033332).

Almost surely, 2^212322199964 is an apocalyptic number.

It is an amenable number.

212322199964 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212322199964 is a wasteful number, since it uses less digits than its factorization.

212322199964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7582935724 (or 7582935722 counting only the distinct ones).

The product of its digits is 839808, while the sum is 50.

The spelling of 212322199964 in words is "two hundred twelve billion, three hundred twenty-two million, one hundred ninety-nine thousand, nine hundred sixty-four".