12243200234221 has 32 divisors (see below), whose sum is σ = 13602004416000. Its totient is φ = 10926104256000.

The previous prime is 12243200234201. The next prime is 12243200234233.

12243200234221 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 12243200234221 - 2³⁷ = 12105761280749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12243200234221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243200234201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 731321911 + ... + 731338651.

It is an arithmetic number, because the mean of its divisors is an integer number (425062638000).

Almost surely, 2^{12243200234221} is an apocalyptic number.

12243200234221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12243200234221 is a deficient number, since it is larger than the sum of its proper divisors (1358804181779).

12243200234221 is a wasteful number, since it uses less digits than its factorization.

12243200234221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18901.

The product of its (nonzero) digits is 9216, while the sum is 28.

It can be divided in two parts, 12243200 and 234221, that added together give a palindrome (12477421).

The spelling of 12243200234221 in words is "twelve trillion, two hundred forty-three billion, two hundred million, two hundred thirty-four thousand, two hundred twenty-one".