212051880 has 96 divisors (see below), whose sum is σ = 729729000. Its totient is φ = 53219328.

The previous prime is 212051869. The next prime is 212051891. The reversal of 212051880 is 88150212.

212051880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212051869) and next prime (212051891).

It can be written as a sum of positive squares in 4 ways, for example, as 165019716 + 47032164 = 12846^2 + 6858^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11205 + ... + 23444.

Almost surely, 2^212051880 is an apocalyptic number.

212051880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212051880 is an abundant number, since it is smaller than the sum of its proper divisors (517677120).

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

212051880 is a wasteful number, since it uses less digits than its factorization.

212051880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34683 (or 34676 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 212051880 is about 14562.0012360939. The cubic root of 212051880 is about 596.3218311994.

The spelling of 212051880 in words is "two hundred twelve million, fifty-one thousand, eight hundred eighty".