213132312210 has 64 divisors (see below), whose sum is σ = 535684845312. Its totient is φ = 54167874816.

The previous prime is 213132312181. The next prime is 213132312227. The reversal of 213132312210 is 12213231312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366429 + ... + 748688.

It is an arithmetic number, because the mean of its divisors is an integer number (8370075708).

Almost surely, 2^213132312210 is an apocalyptic number.

213132312210 is an abundant number, since it is smaller than the sum of its proper divisors (322552533102).

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

213132312210 is a wasteful number, since it uses less digits than its factorization.

213132312210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115427.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213132312210 its reverse (12213231312), we get a palindrome (225345543522).

The spelling of 213132312210 in words is "two hundred thirteen billion, one hundred thirty-two million, three hundred twelve thousand, two hundred ten".