212071132 has 96 divisors (see below), whose sum is σ = 484549632. Its totient is φ = 78921216.

The previous prime is 212071127. The next prime is 212071133. The reversal of 212071132 is 231170212.

212071132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212071132² = 89948330055522848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212071133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 610983 + ... + 611329.

It is an arithmetic number, because the mean of its divisors is an integer number (5047392).

Almost surely, 2^212071132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212071132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242274816).

212071132 is an abundant number, since it is smaller than the sum of its proper divisors (272478500).

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

212071132 is a wasteful number, since it uses less digits than its factorization.

212071132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 212071132 is about 14562.6622566068. The cubic root of 212071132 is about 596.3398771614.

The spelling of 212071132 in words is "two hundred twelve million, seventy-one thousand, one hundred thirty-two".