12000201012221 has 16 divisors (see below), whose sum is σ = 12788288701440. Its totient is φ = 11227855454640.

The previous prime is 12000201012193. The next prime is 12000201012227. The reversal of 12000201012221 is 12221010200021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12000201012221 is a prime.

It is a super-4 number, since 4×12000201012221⁴ (a number of 53 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12000201012196 and 12000201012205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000201012227) 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, 3404636 + ... + 5965898.

It is an arithmetic number, because the mean of its divisors is an integer number (799268043840).

Almost surely, 2^{12000201012221} is an apocalyptic number.

It is an amenable number.

12000201012221 is a deficient number, since it is larger than the sum of its proper divisors (788087689219).

12000201012221 is a wasteful number, since it uses less digits than its factorization.

12000201012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564336.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12000201012221 its reverse (12221010200021), we get a palindrome (24221211212242).

The spelling of 12000201012221 in words is "twelve trillion, two hundred one million, twelve thousand, two hundred twenty-one".