212112310 has 24 divisors (see below), whose sum is σ = 386583120. Its totient is φ = 83795472.

The previous prime is 212112301. The next prime is 212112317. The reversal of 212112310 is 13211212.

212112310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212112310² = 89983264107072200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112317) 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, 67351 + ... + 70429.

It is an arithmetic number, because the mean of its divisors is an integer number (16107630).

Almost surely, 2^212112310 is an apocalyptic number.

212112310 is a deficient number, since it is larger than the sum of its proper divisors (174470810).

212112310 is an equidigital number, since it uses as much as digits as its factorization.

212112310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3252 (or 3169 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 212112310 is about 14564.0760091397. The cubic root of 212112310 is about 596.3784719071.

Adding to 212112310 its reverse (13211212), we get a palindrome (225323522).

The spelling of 212112310 in words is "two hundred twelve million, one hundred twelve thousand, three hundred ten".