212767566020 has 48 divisors (see below), whose sum is σ = 467709596928. Its totient is φ = 81149861760.

The previous prime is 212767566007. The next prime is 212767566023. The reversal of 212767566020 is 20665767212.

212767566020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212767566023) 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 15 ways as a sum of consecutive naturals, for example, 583736 + ... + 875375.

It is an arithmetic number, because the mean of its divisors is an integer number (9743949936).

Almost surely, 2^212767566020 is an apocalyptic number.

212767566020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212767566020 is an abundant number, since it is smaller than the sum of its proper divisors (254942030908).

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

212767566020 is a wasteful number, since it uses less digits than its factorization.

212767566020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459460 (or 1459458 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 212767566020 in words is "two hundred twelve billion, seven hundred sixty-seven million, five hundred sixty-six thousand, twenty".