212112334 has 16 divisors (see below), whose sum is σ = 364411008. Its totient is φ = 90707832.

The previous prime is 212112331. The next prime is 212112337. The reversal of 212112334 is 433211212.

It is a happy number.

212112334 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 (212112331) and next prime (212112337).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112331) 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, 9684 + ... + 22759.

It is an arithmetic number, because the mean of its divisors is an integer number (22775688).

Almost surely, 2^212112334 is an apocalyptic number.

212112334 is a deficient number, since it is larger than the sum of its proper divisors (152298674).

212112334 is a wasteful number, since it uses less digits than its factorization.

212112334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32919.

The product of its digits is 288, while the sum is 19.

The square root of 212112334 is about 14564.0768330849. The cubic root of 212112334 is about 596.3784944001.

Adding to 212112334 its reverse (433211212), we get a palindrome (645323546).

The spelling of 212112334 in words is "two hundred twelve million, one hundred twelve thousand, three hundred thirty-four".