212469252 has 12 divisors (see below), whose sum is σ = 495761616. Its totient is φ = 70823080.

The previous prime is 212469227. The next prime is 212469253. The reversal of 212469252 is 252964212.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (212469253) 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, 8852874 + ... + 8852897.

It is an arithmetic number, because the mean of its divisors is an integer number (41313468).

Almost surely, 2^212469252 is an apocalyptic number.

It is an amenable number.

212469252 is an abundant number, since it is smaller than the sum of its proper divisors (283292364).

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

212469252 is a wasteful number, since it uses less digits than its factorization.

212469252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17705778 (or 17705776 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 212469252 is about 14576.3250512603. The cubic root of 212469252 is about 596.7128124411.

The spelling of 212469252 in words is "two hundred twelve million, four hundred sixty-nine thousand, two hundred fifty-two".