212572260 has 36 divisors (see below), whose sum is σ = 644803068. Its totient is φ = 56685888.

The previous prime is 212572253. The next prime is 212572271. The reversal of 212572260 is 62275212.

It can be written as a sum of positive squares in 2 ways, for example, as 92275236 + 120297024 = 9606^2 + 10968^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 590299 + ... + 590658.

Almost surely, 2^212572260 is an apocalyptic number.

212572260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212572260 is an abundant number, since it is smaller than the sum of its proper divisors (432230808).

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

212572260 is a wasteful number, since it uses less digits than its factorization.

212572260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180972 (or 1180967 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 212572260 is about 14579.8580240001. The cubic root of 212572260 is about 596.8092283730.

The spelling of 212572260 in words is "two hundred twelve million, five hundred seventy-two thousand, two hundred sixty".