212248790 has 24 divisors (see below), whose sum is σ = 413700048. Its totient is φ = 78368160.

The previous prime is 212248769. The next prime is 212248793. The reversal of 212248790 is 97842212.

212248790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 212248790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212248793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61106 + ... + 64485.

It is an arithmetic number, because the mean of its divisors is an integer number (17237502).

Almost surely, 2^212248790 is an apocalyptic number.

212248790 is a deficient number, since it is larger than the sum of its proper divisors (201451258).

212248790 is a wasteful number, since it uses less digits than its factorization.

212248790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125624 (or 125611 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 212248790 is about 14568.7607571818. The cubic root of 212248790 is about 596.5063542901.

The spelling of 212248790 in words is "two hundred twelve million, two hundred forty-eight thousand, seven hundred ninety".