212112132 has 24 divisors (see below), whose sum is σ = 495768672. Its totient is φ = 70584000.

The previous prime is 212112091. The next prime is 212112161. The reversal of 212112132 is 231211212.

It is a nude number because it is divisible by every one of its digits.

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, 7494 + ... + 21917.

It is an arithmetic number, because the mean of its divisors is an integer number (20657028).

Almost surely, 2^212112132 is an apocalyptic number.

It is an amenable number.

212112132 is an abundant number, since it is smaller than the sum of its proper divisors (283656540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212112132 is a wasteful number, since it uses less digits than its factorization.

212112132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30019 (or 30017 counting only the distinct ones).

The product of its digits is 48, while the sum is 15.

The square root of 212112132 is about 14564.0698982118. The cubic root of 212112132 is about 596.3783050845.

Adding to 212112132 its reverse (231211212), we get a palindrome (443323344).

The spelling of 212112132 in words is "two hundred twelve million, one hundred twelve thousand, one hundred thirty-two".