213152212 has 48 divisors (see below), whose sum is σ = 461123712. Its totient is φ = 83952000.

The previous prime is 213152143. The next prime is 213152213. The reversal of 213152212 is 212251312.

213152212 is digitally balanced in base 2, 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 213152212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213152213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90198 + ... + 92530.

It is an arithmetic number, because the mean of its divisors is an integer number (9606744).

Almost surely, 2^213152212 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 213152212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230561856).

213152212 is an abundant number, since it is smaller than the sum of its proper divisors (247971500).

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

213152212 is a wasteful number, since it uses less digits than its factorization.

213152212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608 (or 2606 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 213152212 is about 14599.7332852350. The cubic root of 213152212 is about 597.3514854122.

The spelling of 213152212 in words is "two hundred thirteen million, one hundred fifty-two thousand, two hundred twelve".