12100212221001 has 16 divisors (see below), whose sum is σ = 16464882977088. Its totient is φ = 7902505195200.

The previous prime is 12100212220913. The next prime is 12100212221003. The reversal of 12100212221001 is 10012221200121.

It is not a de Polignac number, because 12100212221001 - 2²⁶ = 12100145112137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12100212221003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166262130 + ... + 166334891.

It is an arithmetic number, because the mean of its divisors is an integer number (1029055186068).

Almost surely, 2^{12100212221001} is an apocalyptic number.

It is an amenable number.

12100212221001 is a deficient number, since it is larger than the sum of its proper divisors (4364670756087).

12100212221001 is a wasteful number, since it uses less digits than its factorization.

12100212221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332597272.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12100212221001 its reverse (10012221200121), we get a palindrome (22112433421122).

The spelling of 12100212221001 in words is "twelve trillion, one hundred billion, two hundred twelve million, two hundred twenty-one thousand, one".