212573647882 has 8 divisors (see below), whose sum is σ = 322147693476. Its totient is φ = 105191083392.

The previous prime is 212573647873. The next prime is 212573647907. The reversal of 212573647882 is 288746375212.

It can be written as a sum of positive squares in 2 ways, for example, as 199709778321 + 12863869561 = 446889^2 + 113419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547870033 + ... + 547870420.

Almost surely, 2^212573647882 is an apocalyptic number.

212573647882 is a deficient number, since it is larger than the sum of its proper divisors (109574045594).

212573647882 is a wasteful number, since it uses less digits than its factorization.

212573647882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095740552.

The product of its digits is 9031680, while the sum is 55.

The spelling of 212573647882 in words is "two hundred twelve billion, five hundred seventy-three million, six hundred forty-seven thousand, eight hundred eighty-two".