212110100202 has 128 divisors (see below), whose sum is σ = 575223441408. Its totient is φ = 50351904000.

The previous prime is 212110100171. The next prime is 212110100219. The reversal of 212110100202 is 202001011212.

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, 431773 + ... + 781439.

It is an arithmetic number, because the mean of its divisors is an integer number (4493933136).

Almost surely, 2^212110100202 is an apocalyptic number.

212110100202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 212110100202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287611720704).

212110100202 is an abundant number, since it is smaller than the sum of its proper divisors (363113341206).

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

212110100202 is a wasteful number, since it uses less digits than its factorization.

212110100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349804.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212110100202 its reverse (202001011212), we get a palindrome (414111111414).

The spelling of 212110100202 in words is "two hundred twelve billion, one hundred ten million, one hundred thousand, two hundred two".