12021001112801 has 2 divisors, whose sum is σ = 12021001112802. Its totient is φ = 12021001112800.

The previous prime is 12021001112797. The next prime is 12021001112839. The reversal of 12021001112801 is 10821110012021.

It is a happy number.

12021001112801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10860985951201 + 1160015161600 = 3295601^2 + 1077040^2 .

It is an emirp because it is prime and its reverse (10821110012021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12021001112801 - 2² = 12021001112797 is a prime.

It is not a weakly prime, because it can be changed into another prime (12021001612801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010500556400 + 6010500556401.

It is an arithmetic number, because the mean of its divisors is an integer number (6010500556401).

Almost surely, 2^{12021001112801} is an apocalyptic number.

It is an amenable number.

12021001112801 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021001112801 is an equidigital number, since it uses as much as digits as its factorization.

12021001112801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 12021001112801 its reverse (10821110012021), we get a palindrome (22842111124822).

The spelling of 12021001112801 in words is "twelve trillion, twenty-one billion, one million, one hundred twelve thousand, eight hundred one".