212675727620 has 48 divisors (see below), whose sum is σ = 464572508400. Its totient is φ = 81682997760.

The previous prime is 212675727619. The next prime is 212675727689. The reversal of 212675727620 is 26727576212.

It can be written as a sum of positive squares in 8 ways, for example, as 18378140356 + 194297587264 = 135566^2 + 440792^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 907955 + ... + 1117914.

It is an arithmetic number, because the mean of its divisors is an integer number (9678593925).

Almost surely, 2^212675727620 is an apocalyptic number.

212675727620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212675727620 is an abundant number, since it is smaller than the sum of its proper divisors (251896780780).

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

212675727620 is a wasteful number, since it uses less digits than its factorization.

212675727620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026088 (or 2026086 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 212675727620 in words is "two hundred twelve billion, six hundred seventy-five million, seven hundred twenty-seven thousand, six hundred twenty".