212823092 has 6 divisors (see below), whose sum is σ = 372440418. Its totient is φ = 106411544.

The previous prime is 212823073. The next prime is 212823101. The reversal of 212823092 is 290328212.

It can be written as a sum of positive squares in only one way, i.e., 108701476 + 104121616 = 10426^2 + 10204^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26602883 + ... + 26602890.

It is an arithmetic number, because the mean of its divisors is an integer number (62073403).

Almost surely, 2^212823092 is an apocalyptic number.

It is an amenable number.

212823092 is a deficient number, since it is larger than the sum of its proper divisors (159617326).

212823092 is a wasteful number, since it uses less digits than its factorization.

212823092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53205777 (or 53205775 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 212823092 is about 14588.4574921408. The cubic root of 212823092 is about 597.0438780088.

The spelling of 212823092 in words is "two hundred twelve million, eight hundred twenty-three thousand, ninety-two".