20012122220102 has 32 divisors (see below), whose sum is σ = 31858236748800. Its totient is φ = 9395463547008.

The previous prime is 20012122220081. The next prime is 20012122220177. The reversal of 20012122220102 is 20102222121002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

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, 368391299 + ... + 368445617.

It is an arithmetic number, because the mean of its divisors is an integer number (995569898400).

Almost surely, 2^{20012122220102} is an apocalyptic number.

20012122220102 is a deficient number, since it is larger than the sum of its proper divisors (11846114528698).

20012122220102 is a wasteful number, since it uses less digits than its factorization.

20012122220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79460.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20012122220102 its reverse (20102222121002), we get a palindrome (40114344341104).

The spelling of 20012122220102 in words is "twenty trillion, twelve billion, one hundred twenty-two million, two hundred twenty thousand, one hundred two".