213212133210 has 32 divisors (see below), whose sum is σ = 511811032320. Its totient is φ = 56845245248.

The previous prime is 213212133151. The next prime is 213212133217. The reversal of 213212133210 is 12331212312.

It is not an unprimeable number, because it can be changed into a prime (213212133217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554037 + ... + 856376.

It is an arithmetic number, because the mean of its divisors is an integer number (15994094760).

Almost surely, 2^213212133210 is an apocalyptic number.

213212133210 is an abundant number, since it is smaller than the sum of its proper divisors (298598899110).

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

213212133210 is a wasteful number, since it uses less digits than its factorization.

213212133210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415462.

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

Adding to 213212133210 its reverse (12331212312), we get a palindrome (225543345522).

The spelling of 213212133210 in words is "two hundred thirteen billion, two hundred twelve million, one hundred thirty-three thousand, two hundred ten".