212885292 has 24 divisors (see below), whose sum is σ = 499259376. Its totient is φ = 70600768.

The previous prime is 212885287. The next prime is 212885297. The reversal of 212885292 is 292588212.

212885292 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 (212885287) and next prime (212885297).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 212885292.

It is not an unprimeable number, because it can be changed into a prime (212885297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42663 + ... + 47390.

It is an arithmetic number, because the mean of its divisors is an integer number (20802474).

Almost surely, 2^212885292 is an apocalyptic number.

It is an amenable number.

212885292 is an abundant number, since it is smaller than the sum of its proper divisors (286374084).

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

212885292 is a wasteful number, since it uses less digits than its factorization.

212885292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90257 (or 90255 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The square root of 212885292 is about 14590.5891587694. The cubic root of 212885292 is about 597.1020366601.

The spelling of 212885292 in words is "two hundred twelve million, eight hundred eighty-five thousand, two hundred ninety-two".