212022132 has 48 divisors (see below), whose sum is σ = 584895360. Its totient is φ = 58488192.

The previous prime is 212022091. The next prime is 212022143. The reversal of 212022132 is 231220212.

It is a happy number.

212022132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×212022132³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41083 + ... + 45954.

It is an arithmetic number, because the mean of its divisors is an integer number (12185320).

Almost surely, 2^212022132 is an apocalyptic number.

It is an amenable number.

212022132 is an abundant number, since it is smaller than the sum of its proper divisors (372873228).

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

212022132 is a wasteful number, since it uses less digits than its factorization.

212022132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87080 (or 87078 counting only the distinct ones).

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

The square root of 212022132 is about 14560.9797747267. The cubic root of 212022132 is about 596.2939446095.

Adding to 212022132 its reverse (231220212), we get a palindrome (443242344).

The spelling of 212022132 in words is "two hundred twelve million, twenty-two thousand, one hundred thirty-two".