20012222112102 has 96 divisors (see below), whose sum is σ = 50600395276704. Its totient is φ = 5648744448000.

The previous prime is 20012222112097. The next prime is 20012222112137. The reversal of 20012222112102 is 20121122221002.

It is a happy number.

20012222112102 is a `hidden beast` number, since 20 + 0 + 1 + 222 + 211 + 210 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30319899 + ... + 30972902.

It is an arithmetic number, because the mean of its divisors is an integer number (527087450799).

Almost surely, 2^{20012222112102} is an apocalyptic number.

20012222112102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20012222112102 is an abundant number, since it is smaller than the sum of its proper divisors (30588173164602).

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

20012222112102 is a wasteful number, since it uses less digits than its factorization.

20012222112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61292934 (or 61292931 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20012222112102 its reverse (20121122221002), we get a palindrome (40133344333104).

The spelling of 20012222112102 in words is "twenty trillion, twelve billion, two hundred twenty-two million, one hundred twelve thousand, one hundred two".