20012202210112 has 224 divisors, whose sum is σ = 46732035974400. Its totient is φ = 8325949243392.

The previous prime is 20012202210067. The next prime is 20012202210173. The reversal of 20012202210112 is 21101220221002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2006633158 + ... + 2006643130.

It is an arithmetic number, because the mean of its divisors is an integer number (208625160600).

Almost surely, 2^{20012202210112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20012202210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23366017987200).

20012202210112 is an abundant number, since it is smaller than the sum of its proper divisors (26719833764288).

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

20012202210112 is an equidigital number, since it uses as much as digits as its factorization.

20012202210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10993 (or 10983 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20012202210112 its reverse (21101220221002), we get a palindrome (41113422431114).

The spelling of 20012202210112 in words is "twenty trillion, twelve billion, two hundred two million, two hundred ten thousand, one hundred twelve".