213312113210 has 64 divisors (see below), whose sum is σ = 453126389760. Its totient is φ = 70751741760.

The previous prime is 213312113191. The next prime is 213312113243. The reversal of 213312113210 is 12311213312.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6856871 + ... + 6887909.

It is an arithmetic number, because the mean of its divisors is an integer number (7080099840).

Almost surely, 2^213312113210 is an apocalyptic number.

213312113210 is an abundant number, since it is smaller than the sum of its proper divisors (239814276550).

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

213312113210 is a wasteful number, since it uses less digits than its factorization.

213312113210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34251.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 213312113210 its reverse (12311213312), we get a palindrome (225623326522).

The spelling of 213312113210 in words is "two hundred thirteen billion, three hundred twelve million, one hundred thirteen thousand, two hundred ten".