212969894980 has 24 divisors (see below), whose sum is σ = 448587961920. Its totient is φ = 84930589920.

The previous prime is 212969894971. The next prime is 212969894987. The reversal of 212969894980 is 89498969212.

212969894980 is digitally balanced in base 3, 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 (212969894987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16078720 + ... + 16091959.

It is an arithmetic number, because the mean of its divisors is an integer number (18691165080).

Almost surely, 2^212969894980 is an apocalyptic number.

212969894980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212969894980 is an abundant number, since it is smaller than the sum of its proper divisors (235618066940).

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

212969894980 is a wasteful number, since it uses less digits than its factorization.

212969894980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32171019 (or 32171017 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 67.

The spelling of 212969894980 in words is "two hundred twelve billion, nine hundred sixty-nine million, eight hundred ninety-four thousand, nine hundred eighty".