212112110 has 32 divisors (see below), whose sum is σ = 438566400. Its totient is φ = 72353952.

The previous prime is 212112091. The next prime is 212112161. The reversal of 212112110 is 11211212.

212112110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212112091 and 212112100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6317 + ... + 21543.

It is an arithmetic number, because the mean of its divisors is an integer number (13705200).

Almost surely, 2^212112110 is an apocalyptic number.

212112110 is an abundant number, since it is smaller than the sum of its proper divisors (226454290).

212112110 is a wasteful number, since it uses less digits than its factorization.

212112110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15440.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 212112110 is about 14564.0691429284. The cubic root of 212112110 is about 596.3782844660.

Adding to 212112110 its reverse (11211212), we get a palindrome (223323322).

The spelling of 212112110 in words is "two hundred twelve million, one hundred twelve thousand, one hundred ten".