22123113243200 has 84 divisors (see below), whose sum is σ = 54455219278320. Its totient is φ = 8846232445440.

The previous prime is 22123113243193. The next prime is 22123113243211. The reversal of 22123113243200 is 234231132122.

It is a self number, because there is not a number n which added to its sum of digits gives 22123113243200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2350079 + ... + 7054721.

It is an arithmetic number, because the mean of its divisors is an integer number (648276419980).

Almost surely, 2^{22123113243200} is an apocalyptic number.

22123113243200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22123113243200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27227609639160).

22123113243200 is an abundant number, since it is smaller than the sum of its proper divisors (32332106035120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22123113243200 is a wasteful number, since it uses less digits than its factorization.

22123113243200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4707604 (or 4707589 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 22123113243200 its reverse (234231132122), we get a palindrome (22357344375322).

The spelling of 22123113243200 in words is "twenty-two trillion, one hundred twenty-three billion, one hundred thirteen million, two hundred forty-three thousand, two hundred".