213232012304 has 20 divisors (see below), whose sum is σ = 414607271100. Its totient is φ = 106236587520.

The previous prime is 213232012243. The next prime is 213232012373. The reversal of 213232012304 is 403210232312.

It can be written as a sum of positive squares in 2 ways, for example, as 138622182400 + 74609829904 = 372320^2 + 273148^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 213232012304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23709029 + ... + 23718020.

It is an arithmetic number, because the mean of its divisors is an integer number (20730363555).

Almost surely, 2^213232012304 is an apocalyptic number.

It is an amenable number.

213232012304 is a deficient number, since it is larger than the sum of its proper divisors (201375258796).

213232012304 is a wasteful number, since it uses less digits than its factorization.

213232012304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47427338 (or 47427332 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 213232012304 its reverse (403210232312), we get a palindrome (616442244616).

The spelling of 213232012304 in words is "two hundred thirteen billion, two hundred thirty-two million, twelve thousand, three hundred four".