212241090 has 32 divisors (see below), whose sum is σ = 539343360. Its totient is φ = 53268224.

The previous prime is 212241083. The next prime is 212241101. The reversal of 212241090 is 90142212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207570 + ... + 208589.

It is an arithmetic number, because the mean of its divisors is an integer number (16854480).

Almost surely, 2^212241090 is an apocalyptic number.

212241090 is an abundant number, since it is smaller than the sum of its proper divisors (327102270).

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

212241090 is a wasteful number, since it uses less digits than its factorization.

212241090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416186.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 212241090 is about 14568.4964907158. The cubic root of 212241090 is about 596.4991408144.

The spelling of 212241090 in words is "two hundred twelve million, two hundred forty-one thousand, ninety".