12100020200001 has 24 divisors (see below), whose sum is σ = 17950660108160. Its totient is φ = 7848451876896.

The previous prime is 12100020199979. The next prime is 12100020200087. The reversal of 12100020200001 is 10000202000121.

It is not a de Polignac number, because 12100020200001 - 2⁷ = 12100020199873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12100020200501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12507006 + ... + 13439688.

Almost surely, 2^{12100020200001} is an apocalyptic number.

It is an amenable number.

12100020200001 is a deficient number, since it is larger than the sum of its proper divisors (5850639908159).

12100020200001 is a wasteful number, since it uses less digits than its factorization.

12100020200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971685 (or 971682 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12100020200001 its reverse (10000202000121), we get a palindrome (22100222200122).

The spelling of 12100020200001 in words is "twelve trillion, one hundred billion, twenty million, two hundred thousand, one".