12100100020001 has 8 divisors (see below), whose sum is σ = 13828825416384. Its totient is φ = 10371409543440.

The previous prime is 12100100019967. The next prime is 12100100020013. The reversal of 12100100020001 is 10002000100121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12100100020001 - 2⁶ = 12100100019937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12100100020031) 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, 7983170 + ... + 9377163.

It is an arithmetic number, because the mean of its divisors is an integer number (1728603177048).

Almost surely, 2^{12100100020001} is an apocalyptic number.

It is an amenable number.

12100100020001 is a deficient number, since it is larger than the sum of its proper divisors (1728725396383).

12100100020001 is an equidigital number, since it uses as much as digits as its factorization.

12100100020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17459911.

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

Adding to 12100100020001 its reverse (10002000100121), we get a palindrome (22102100120122).

It can be divided in two parts, 12100 and 100020001, that multiplied together give a square (1210242012100 = 1100110²).

The spelling of 12100100020001 in words is "twelve trillion, one hundred billion, one hundred million, twenty thousand, one".