212322719624 has 8 divisors (see below), whose sum is σ = 398105099310. Its totient is φ = 106161359808.

The previous prime is 212322719621. The next prime is 212322719629. The reversal of 212322719624 is 426917223212.

It can be written as a sum of positive squares in only one way, i.e., 200003939524 + 12318780100 = 447218^2 + 110990^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (212322719621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13270169969 + ... + 13270169984.

Almost surely, 2^212322719624 is an apocalyptic number.

It is an amenable number.

212322719624 is a deficient number, since it is larger than the sum of its proper divisors (185782379686).

212322719624 is a wasteful number, since it uses less digits than its factorization.

212322719624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26540339959 (or 26540339955 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The spelling of 212322719624 in words is "two hundred twelve billion, three hundred twenty-two million, seven hundred nineteen thousand, six hundred twenty-four".