212295880 has 16 divisors (see below), whose sum is σ = 477665820. Its totient is φ = 84918336.

The previous prime is 212295877. The next prime is 212295887. The reversal of 212295880 is 88592212.

It can be written as a sum of positive squares in 2 ways, for example, as 212051844 + 244036 = 14562^2 + 494^2 .

It is a super-3 number, since 3×212295880³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (212295887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2653659 + ... + 2653738.

Almost surely, 2^212295880 is an apocalyptic number.

212295880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212295880 is an abundant number, since it is smaller than the sum of its proper divisors (265369940).

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

212295880 is a wasteful number, since it uses less digits than its factorization.

212295880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5307408 (or 5307404 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 212295880 is about 14570.3767967750. The cubic root of 212295880 is about 596.5504651142.

The spelling of 212295880 in words is "two hundred twelve million, two hundred ninety-five thousand, eight hundred eighty".