213352412 has 72 divisors (see below), whose sum is σ = 471947616. Its totient is φ = 82180224.

The previous prime is 213352367. The next prime is 213352421. The reversal of 213352412 is 214253312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 672878 + ... + 673194.

It is an arithmetic number, because the mean of its divisors is an integer number (6554828).

Almost surely, 2^213352412 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 213352412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235973808).

213352412 is an abundant number, since it is smaller than the sum of its proper divisors (258595204).

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

213352412 is a wasteful number, since it uses less digits than its factorization.

213352412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 382 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 213352412 is about 14606.5879657092. The cubic root of 213352412 is about 597.5384446824.

It can be divided in two parts, 2133 and 52412, that added together give a palindrome (54545).

The spelling of 213352412 in words is "two hundred thirteen million, three hundred fifty-two thousand, four hundred twelve".