12221112003232 has 96 divisors (see below), whose sum is σ = 26441297648640. Its totient is φ = 5514074699520.

The previous prime is 12221112003227. The next prime is 12221112003253. The reversal of 12221112003232 is 23230021112221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 309351993 + ... + 309391495.

It is an arithmetic number, because the mean of its divisors is an integer number (275430183840).

Almost surely, 2^{12221112003232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12221112003232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13220648824320).

12221112003232 is an abundant number, since it is smaller than the sum of its proper divisors (14220185645408).

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

12221112003232 is a wasteful number, since it uses less digits than its factorization.

12221112003232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45986 (or 45978 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12221112003232 its reverse (23230021112221), we get a palindrome (35451133115453).

The spelling of 12221112003232 in words is "twelve trillion, two hundred twenty-one billion, one hundred twelve million, three thousand, two hundred thirty-two".