213132023200 has 36 divisors (see below), whose sum is σ = 520308553590. Its totient is φ = 85252808960.

The previous prime is 213132023177. The next prime is 213132023201. The reversal of 213132023200 is 2320231312.

It can be written as a sum of positive squares in 3 ways, for example, as 114533511184 + 98598512016 = 338428^2 + 314004^2 .

It is not an unprimeable number, because it can be changed into a prime (213132023201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133206715 + ... + 133208314.

Almost surely, 2^213132023200 is an apocalyptic number.

213132023200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213132023200 is an abundant number, since it is smaller than the sum of its proper divisors (307176530390).

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

213132023200 is a wasteful number, since it uses less digits than its factorization.

213132023200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266415049 (or 266415036 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 213132023200 its reverse (2320231312), we get a palindrome (215452254512).

The spelling of 213132023200 in words is "two hundred thirteen billion, one hundred thirty-two million, twenty-three thousand, two hundred".