212002121210 has 128 divisors (see below), whose sum is σ = 433206558720. Its totient is φ = 74028499200.

The previous prime is 212002121189. The next prime is 212002121237. The reversal of 212002121210 is 12121200212.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 204043871 + ... + 204044909.

It is an arithmetic number, because the mean of its divisors is an integer number (3384426240).

Almost surely, 2^212002121210 is an apocalyptic number.

212002121210 is an abundant number, since it is smaller than the sum of its proper divisors (221204437510).

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

212002121210 is a wasteful number, since it uses less digits than its factorization.

212002121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212002121210 its reverse (12121200212), we get a palindrome (224123321422).

The spelling of 212002121210 in words is "two hundred twelve billion, two million, one hundred twenty-one thousand, two hundred ten".