12001300100221 has 16 divisors (see below), whose sum is σ = 12265493909760. Its totient is φ = 11737477414080.

The previous prime is 12001300100177. The next prime is 12001300100227. The reversal of 12001300100221 is 12200100310021.

It is a cyclic number.

It is not a de Polignac number, because 12001300100221 - 2⁹ = 12001300099709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001300100227) 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, 688968850 + ... + 688986268.

It is an arithmetic number, because the mean of its divisors is an integer number (766593369360).

Almost surely, 2^{12001300100221} is an apocalyptic number.

It is an amenable number.

12001300100221 is a deficient number, since it is larger than the sum of its proper divisors (264193809539).

12001300100221 is a wasteful number, since it uses less digits than its factorization.

12001300100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27204.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12001300100221 its reverse (12200100310021), we get a palindrome (24201400410242).

The spelling of 12001300100221 in words is "twelve trillion, one billion, three hundred million, one hundred thousand, two hundred twenty-one".