12000011202221 has 48 divisors (see below), whose sum is σ = 14688953201664. Its totient is φ = 9600622599168.

The previous prime is 12000011202163. The next prime is 12000011202271. The reversal of 12000011202221 is 12220211000021.

It is not a de Polignac number, because 12000011202221 - 2¹⁰ = 12000011201197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12000011202196 and 12000011202205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000011202271) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54551771 + ... + 54771303.

It is an arithmetic number, because the mean of its divisors is an integer number (306019858368).

Almost surely, 2^{12000011202221} is an apocalyptic number.

It is an amenable number.

12000011202221 is a deficient number, since it is larger than the sum of its proper divisors (2688941999443).

12000011202221 is a wasteful number, since it uses less digits than its factorization.

12000011202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219898 (or 219879 counting only the distinct ones).

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

Adding to 12000011202221 its reverse (12220211000021), we get a palindrome (24220222202242).

The spelling of 12000011202221 in words is "twelve trillion, eleven million, two hundred two thousand, two hundred twenty-one".