212616732 has 24 divisors (see below), whose sum is σ = 500499216. Its totient is φ = 70244608.

The previous prime is 212616731. The next prime is 212616743. The reversal of 212616732 is 237616212.

212616732 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 212616732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212616731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77043 + ... + 79754.

It is an arithmetic number, because the mean of its divisors is an integer number (20854134).

Almost surely, 2^212616732 is an apocalyptic number.

It is an amenable number.

212616732 is an abundant number, since it is smaller than the sum of its proper divisors (287882484).

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

212616732 is a wasteful number, since it uses less digits than its factorization.

212616732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156917 (or 156915 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 212616732 is about 14581.3830619732. The cubic root of 212616732 is about 596.8508447303.

The spelling of 212616732 in words is "two hundred twelve million, six hundred sixteen thousand, seven hundred thirty-two".