12221242322 has 16 divisors (see below), whose sum is σ = 18434400000. Its totient is φ = 6076477440.

The previous prime is 12221242279. The next prime is 12221242357. The reversal of 12221242322 is 22324212221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787922 + ... + 803282.

It is an arithmetic number, because the mean of its divisors is an integer number (1152150000).

Almost surely, 2^12221242322 is an apocalyptic number.

12221242322 is a deficient number, since it is larger than the sum of its proper divisors (6213157678).

12221242322 is a wasteful number, since it uses less digits than its factorization.

12221242322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17561.

The product of its digits is 1536, while the sum is 23.

Adding to 12221242322 its reverse (22324212221), we get a palindrome (34545454543).

The spelling of 12221242322 in words is "twelve billion, two hundred twenty-one million, two hundred forty-two thousand, three hundred twenty-two".