212322100304 has 40 divisors (see below), whose sum is σ = 440063037288. Its totient is φ = 98886205440.

The previous prime is 212322100283. The next prime is 212322100349. The reversal of 212322100304 is 403001223212.

It can be written as a sum of positive squares in 4 ways, for example, as 21744451600 + 190577648704 = 147460^2 + 436552^2 .

It is a congruent 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, 3997307 + ... + 4050074.

Almost surely, 2^212322100304 is an apocalyptic number.

It is an amenable number.

212322100304 is an abundant number, since it is smaller than the sum of its proper divisors (227740936984).

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

212322100304 is a wasteful number, since it uses less digits than its factorization.

212322100304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8047503 (or 8047497 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 212322100304 its reverse (403001223212), we get a palindrome (615323323516).

The spelling of 212322100304 in words is "two hundred twelve billion, three hundred twenty-two million, one hundred thousand, three hundred four".