212140112 has 10 divisors (see below), whose sum is σ = 411021498. Its totient is φ = 106070048.

The previous prime is 212140087. The next prime is 212140121. The reversal of 212140112 is 211041212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 139617856 + 72522256 = 11816^2 + 8516^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6629363 + ... + 6629394.

Almost surely, 2^212140112 is an apocalyptic number.

It is an amenable number.

212140112 is a deficient number, since it is larger than the sum of its proper divisors (198881386).

212140112 is a wasteful number, since it uses less digits than its factorization.

212140112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13258765 (or 13258759 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 212140112 is about 14565.0304496764. The cubic root of 212140112 is about 596.4045269562.

Adding to 212140112 its reverse (211041212), we get a palindrome (423181324).

The spelling of 212140112 in words is "two hundred twelve million, one hundred forty thousand, one hundred twelve".