212212032 has 28 divisors (see below), whose sum is σ = 561478176. Its totient is φ = 70737280.

The previous prime is 212211997. The next prime is 212212051. The reversal of 212212032 is 230212212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552444 + ... + 552827.

It is an arithmetic number, because the mean of its divisors is an integer number (20052792).

Almost surely, 2^212212032 is an apocalyptic number.

It is an amenable number.

212212032 is an abundant number, since it is smaller than the sum of its proper divisors (349266144).

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

212212032 is a wasteful number, since it uses less digits than its factorization.

212212032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105286 (or 1105276 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 212212032 is about 14567.4991676677. The cubic root of 212212032 is about 596.4719172717.

Adding to 212212032 its reverse (230212212), we get a palindrome (442424244).

The spelling of 212212032 in words is "two hundred twelve million, two hundred twelve thousand, thirty-two".