20120010200001 has 8 divisors (see below), whose sum is σ = 29807422518560. Its totient is φ = 13413340133316.

The previous prime is 20120010199973. The next prime is 20120010200021. The reversal of 20120010200001 is 10000201002102.

It is not a de Polignac number, because 20120010200001 - 2⁷ = 20120010199873 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 (20120010200021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372592781455 + ... + 372592781508.

It is an arithmetic number, because the mean of its divisors is an integer number (3725927814820).

Almost surely, 2^{20120010200001} is an apocalyptic number.

It is an amenable number.

20120010200001 is a deficient number, since it is larger than the sum of its proper divisors (9687412318559).

20120010200001 is an equidigital number, since it uses as much as digits as its factorization.

20120010200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745185562972 (or 745185562966 counting only the distinct ones).

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

Adding to 20120010200001 its reverse (10000201002102), we get a palindrome (30120211202103).

The spelling of 20120010200001 in words is "twenty trillion, one hundred twenty billion, ten million, two hundred thousand, one".