213100312200 has 48 divisors (see below), whose sum is σ = 660610969680. Its totient is φ = 56826749760.

The previous prime is 213100312199. The next prime is 213100312283. The reversal of 213100312200 is 2213001312.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 213100312200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177582994 + ... + 177584193.

It is an arithmetic number, because the mean of its divisors is an integer number (13762728535).

Almost surely, 2^213100312200 is an apocalyptic number.

213100312200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213100312200 is an abundant number, since it is smaller than the sum of its proper divisors (447510657480).

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

213100312200 is a wasteful number, since it uses less digits than its factorization.

213100312200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355167206 (or 355167197 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 213100312200 its reverse (2213001312), we get a palindrome (215313313512).

The spelling of 213100312200 in words is "two hundred thirteen billion, one hundred million, three hundred twelve thousand, two hundred".