12100310201221 has 16 divisors (see below), whose sum is σ = 13978542038400. Its totient is φ = 10351937594880.

The previous prime is 12100310201219. The next prime is 12100310201227. The reversal of 12100310201221 is 12210201300121.

It is a cyclic number.

It is not a de Polignac number, because 12100310201221 - 2¹ = 12100310201219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12100310201195 and 12100310201204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100310201227) 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, 2434296 + ... + 5488753.

It is an arithmetic number, because the mean of its divisors is an integer number (873658877400).

Almost surely, 2^{12100310201221} is an apocalyptic number.

12100310201221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12100310201221 is a deficient number, since it is larger than the sum of its proper divisors (1878231837179).

12100310201221 is a wasteful number, since it uses less digits than its factorization.

12100310201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7931244.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12100310201221 its reverse (12210201300121), we get a palindrome (24310511501342).

The spelling of 12100310201221 in words is "twelve trillion, one hundred billion, three hundred ten million, two hundred one thousand, two hundred twenty-one".