212002122210 has 32 divisors (see below), whose sum is σ = 508943958912. Its totient is φ = 56518469760.

The previous prime is 212002122187. The next prime is 212002122251. The reversal of 212002122210 is 12221200212.

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 212002122210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 852379 + ... + 1072638.

It is an arithmetic number, because the mean of its divisors is an integer number (15904498716).

Almost surely, 2^212002122210 is an apocalyptic number.

212002122210 is an abundant number, since it is smaller than the sum of its proper divisors (296941836702).

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

212002122210 is a wasteful number, since it uses less digits than its factorization.

212002122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928698.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212002122210 its reverse (12221200212), we get a palindrome (224223322422).

The spelling of 212002122210 in words is "two hundred twelve billion, two million, one hundred twenty-two thousand, two hundred ten".