12010020100001 has 16 divisors (see below), whose sum is σ = 15048775449600. Its totient is φ = 9311429785680.

The previous prime is 12010020099929. The next prime is 12010020100003. The reversal of 12010020100001 is 10000102001021.

It is not a de Polignac number, because 12010020100001 - 2¹⁰ = 12010020098977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12010020100003) 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, 391879871 + ... + 391910516.

It is an arithmetic number, because the mean of its divisors is an integer number (940548465600).

Almost surely, 2^{12010020100001} is an apocalyptic number.

12010020100001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12010020100001 is a deficient number, since it is larger than the sum of its proper divisors (3038755349599).

12010020100001 is a wasteful number, since it uses less digits than its factorization.

12010020100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783790604.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12010020100001 its reverse (10000102001021), we get a palindrome (22010122101022).

The spelling of 12010020100001 in words is "twelve trillion, ten billion, twenty million, one hundred thousand, one".