20012112102122 has 16 divisors (see below), whose sum is σ = 34460318602752. Its totient is φ = 8538159294000.

The previous prime is 20012112102053. The next prime is 20012112102163. The reversal of 20012112102122 is 22120121121002.

It is a self number, because there is not a number n which added to its sum of digits gives 20012112102122.

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 7 ways as a sum of consecutive naturals, for example, 3205011629 + ... + 3205017872.

It is an arithmetic number, because the mean of its divisors is an integer number (2153769912672).

Almost surely, 2^{20012112102122} is an apocalyptic number.

20012112102122 is a deficient number, since it is larger than the sum of its proper divisors (14448206500630).

20012112102122 is a wasteful number, since it uses less digits than its factorization.

20012112102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6410029733.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20012112102122 its reverse (22120121121002), we get a palindrome (42132233223124).

The spelling of 20012112102122 in words is "twenty trillion, twelve billion, one hundred twelve million, one hundred two thousand, one hundred twenty-two".