100012000122001 has 16 divisors (see below), whose sum is σ = 109224544278528. Its totient is φ = 90819553968000.

The previous prime is 100012000121939. The next prime is 100012000122029. The reversal of 100012000122001 is 100221000210001.

It is not a de Polignac number, because 100012000122001 - 2²¹ = 100011998024849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100012000122101) 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, 297714736 + ... + 298050478.

It is an arithmetic number, because the mean of its divisors is an integer number (6826534017408).

Almost surely, 2^{100012000122001} is an apocalyptic number.

100012000122001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100012000122001 is a deficient number, since it is larger than the sum of its proper divisors (9212544156527).

100012000122001 is a wasteful number, since it uses less digits than its factorization.

100012000122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365592.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100012000122001 its reverse (100221000210001), we get a palindrome (200233000332002).

The spelling of 100012000122001 in words is "one hundred trillion, twelve billion, one hundred twenty-two thousand, one".