213332124 has 24 divisors (see below), whose sum is σ = 499354128. Its totient is φ = 70885120.

The previous prime is 213332101. The next prime is 213332137. The reversal of 213332124 is 421233312.

213332124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 213332124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24237 + ... + 31844.

It is an arithmetic number, because the mean of its divisors is an integer number (20806422).

Almost surely, 2^213332124 is an apocalyptic number.

It is an amenable number.

213332124 is an abundant number, since it is smaller than the sum of its proper divisors (286022004).

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

213332124 is a wasteful number, since it uses less digits than its factorization.

213332124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56405 (or 56403 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 213332124 is about 14605.8934680491. The cubic root of 213332124 is about 597.5195038071.

Adding to 213332124 its reverse (421233312), we get a palindrome (634565436).

The spelling of 213332124 in words is "two hundred thirteen million, three hundred thirty-two thousand, one hundred twenty-four".