212874688244 has 24 divisors (see below), whose sum is σ = 391055430528. Its totient is φ = 101199987680.

The previous prime is 212874688241. The next prime is 212874688283. The reversal of 212874688244 is 442886478212.

It is a happy number.

212874688244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 212874688244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212874688241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6912347 + ... + 6943074.

It is an arithmetic number, because the mean of its divisors is an integer number (16293976272).

Almost surely, 2^212874688244 is an apocalyptic number.

It is an amenable number.

212874688244 is a deficient number, since it is larger than the sum of its proper divisors (178180742284).

212874688244 is a wasteful number, since it uses less digits than its factorization.

212874688244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13855615 (or 13855613 counting only the distinct ones).

The product of its digits is 11010048, while the sum is 56.

The spelling of 212874688244 in words is "two hundred twelve billion, eight hundred seventy-four million, six hundred eighty-eight thousand, two hundred forty-four".