12235244253221 has 96 divisors (see below), whose sum is σ = 14567715993600. Its totient is φ = 10244389478400.

The previous prime is 12235244253217. The next prime is 12235244253227.

12235244253221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12235244253221 - 2² = 12235244253217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12235244253227) 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 95 ways as a sum of consecutive naturals, for example, 2775058865 + ... + 2775063273.

It is an arithmetic number, because the mean of its divisors is an integer number (151747041600).

Almost surely, 2^{12235244253221} is an apocalyptic number.

12235244253221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12235244253221 is a deficient number, since it is larger than the sum of its proper divisors (2332471740379).

12235244253221 is a wasteful number, since it uses less digits than its factorization.

12235244253221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4851 (or 4840 counting only the distinct ones).

The product of its digits is 230400, while the sum is 38.

It can be divided in two parts, 1223524 and 4253221, that added together give a palindrome (5476745).

The spelling of 12235244253221 in words is "twelve trillion, two hundred thirty-five billion, two hundred forty-four million, two hundred fifty-three thousand, two hundred twenty-one".