12204200240221 has 8 divisors (see below), whose sum is σ = 13316666897664. Its totient is φ = 11092232567520.

The previous prime is 12204200240203. The next prime is 12204200240279.

12204200240221 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12204200240221 - 2⁹ = 12204200239709 is a prime.

It is a super-2 number, since 2×12204200240221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12204200240192 and 12204200240201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12204200240201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124695040 + ... + 124792873.

It is an arithmetic number, because the mean of its divisors is an integer number (1664583362208).

Almost surely, 2^{12204200240221} is an apocalyptic number.

12204200240221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12204200240221 is a deficient number, since it is larger than the sum of its proper divisors (1112466657443).

12204200240221 is a wasteful number, since it uses less digits than its factorization.

12204200240221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249492371.

The product of its (nonzero) digits is 1024, while the sum is 22.

It can be divided in two parts, 12204200 and 240221, that added together give a palindrome (12444421).

The spelling of 12204200240221 in words is "twelve trillion, two hundred four billion, two hundred million, two hundred forty thousand, two hundred twenty-one".