12002310112221 has 48 divisors (see below), whose sum is σ = 20367993102912. Its totient is φ = 6714435168000.

The previous prime is 12002310112201. The next prime is 12002310112259. The reversal of 12002310112221 is 12221101320021.

12002310112221 is a `hidden beast` number, since 1 + 20 + 0 + 2 + 310 + 112 + 221 = 666.

It is not a de Polignac number, because 12002310112221 - 2⁶ = 12002310112157 is a prime.

It is a super-2 number, since 2×12002310112221² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12002310112194 and 12002310112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002310112201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 95433846 + ... + 95559528.

It is an arithmetic number, because the mean of its divisors is an integer number (424333189644).

Almost surely, 2^{12002310112221} is an apocalyptic number.

12002310112221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12002310112221 is a deficient number, since it is larger than the sum of its proper divisors (8365682990691).

12002310112221 is a wasteful number, since it uses less digits than its factorization.

12002310112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199914 (or 199911 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12002310112221 its reverse (12221101320021), we get a palindrome (24223411432242).

The spelling of 12002310112221 in words is "twelve trillion, two billion, three hundred ten million, one hundred twelve thousand, two hundred twenty-one".