20122123003197 has 16 divisors (see below), whose sum is σ = 27047729866752. Its totient is φ = 13305686909760.

The previous prime is 20122123003187. The next prime is 20122123003237. The reversal of 20122123003197 is 79130032122102.

It is a happy number.

It is not a de Polignac number, because 20122123003197 - 2⁶ = 20122123003133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122123003127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5334054 + ... + 8288327.

It is an arithmetic number, because the mean of its divisors is an integer number (1690483116672).

Almost surely, 2^{20122123003197} is an apocalyptic number.

It is an amenable number.

20122123003197 is a deficient number, since it is larger than the sum of its proper divisors (6925606863555).

20122123003197 is a wasteful number, since it uses less digits than its factorization.

20122123003197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13626388.

The product of its (nonzero) digits is 9072, while the sum is 33.

Adding to 20122123003197 its reverse (79130032122102), we get a palindrome (99252155125299).

The spelling of 20122123003197 in words is "twenty trillion, one hundred twenty-two billion, one hundred twenty-three million, three thousand, one hundred ninety-seven".