212012759888 has 20 divisors (see below), whose sum is σ = 410796776148. Its totient is φ = 106000688640.

The previous prime is 212012759887. The next prime is 212012759911. The reversal of 212012759888 is 888957210212.

It can be written as a sum of positive squares in 2 ways, for example, as 183108679744 + 28904080144 = 427912^2 + 170012^2 .

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 (212012759887) 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, 39881 + ... + 652392.

Almost surely, 2^212012759888 is an apocalyptic number.

It is an amenable number.

212012759888 is a deficient number, since it is larger than the sum of its proper divisors (198784016260).

212012759888 is a wasteful number, since it uses less digits than its factorization.

212012759888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711422 (or 711416 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 53.

The spelling of 212012759888 in words is "two hundred twelve billion, twelve million, seven hundred fifty-nine thousand, eight hundred eighty-eight".