212112130 has 16 divisors (see below), whose sum is σ = 383258304. Its totient is φ = 84521200.

The previous prime is 212112091. The next prime is 212112161. The reversal of 212112130 is 31211212.

It is a self number, because there is not a number n which added to its sum of digits gives 212112130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37696 + ... + 42955.

It is an arithmetic number, because the mean of its divisors is an integer number (23953644).

Almost surely, 2^212112130 is an apocalyptic number.

212112130 is a deficient number, since it is larger than the sum of its proper divisors (171146174).

212112130 is a wasteful number, since it uses less digits than its factorization.

212112130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80921.

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

The square root of 212112130 is about 14564.0698295497. The cubic root of 212112130 is about 596.3783032101.

Adding to 212112130 its reverse (31211212), we get a palindrome (243323342).

The spelling of 212112130 in words is "two hundred twelve million, one hundred twelve thousand, one hundred thirty".