12002221211 has 16 divisors (see below), whose sum is σ = 12193607808. Its totient is φ = 11812684800.

The previous prime is 12002221201. The next prime is 12002221241. The reversal of 12002221211 is 11212220021.

It is a cyclic number.

It is not a de Polignac number, because 12002221211 - 2¹⁴ = 12002204827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12002221201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13685105 + ... + 13685981.

It is an arithmetic number, because the mean of its divisors is an integer number (762100488).

Almost surely, 2^12002221211 is an apocalyptic number.

12002221211 is a deficient number, since it is larger than the sum of its proper divisors (191386597).

12002221211 is a wasteful number, since it uses less digits than its factorization.

12002221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702.

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

Adding to 12002221211 its reverse (11212220021), we get a palindrome (23214441232).

The spelling of 12002221211 in words is "twelve billion, two million, two hundred twenty-one thousand, two hundred eleven".