12000101012221 has 4 divisors (see below), whose sum is σ = 13714401156832. Its totient is φ = 10285800867612.

The previous prime is 12000101012203. The next prime is 12000101012261. The reversal of 12000101012221 is 12221010100021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12000101012221 - 2²⁵ = 12000067457789 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 (12000101012201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857150072295 + ... + 857150072308.

It is an arithmetic number, because the mean of its divisors is an integer number (3428600289208).

Almost surely, 2^{12000101012221} is an apocalyptic number.

It is an amenable number.

12000101012221 is a deficient number, since it is larger than the sum of its proper divisors (1714300144611).

12000101012221 is an equidigital number, since it uses as much as digits as its factorization.

12000101012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714300144610.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12000101012221 its reverse (12221010100021), we get a palindrome (24221111112242).

The spelling of 12000101012221 in words is "twelve trillion, one hundred one million, twelve thousand, two hundred twenty-one".