212252132 has 12 divisors (see below), whose sum is σ = 372207360. Its totient is φ = 105907176.

The previous prime is 212252111. The next prime is 212252137. The reversal of 212252132 is 231252212.

It is not an unprimeable number, because it can be changed into a prime (212252137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52532 + ... + 56427.

It is an arithmetic number, because the mean of its divisors is an integer number (31017280).

Almost surely, 2^212252132 is an apocalyptic number.

It is an amenable number.

212252132 is a deficient number, since it is larger than the sum of its proper divisors (159955228).

212252132 is a wasteful number, since it uses less digits than its factorization.

212252132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109450 (or 109448 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 212252132 is about 14568.8754542003. The cubic root of 212252132 is about 596.5094850716.

The spelling of 212252132 in words is "two hundred twelve million, two hundred fifty-two thousand, one hundred thirty-two".