12220121230322 has 4 divisors (see below), whose sum is σ = 18330181845486. Its totient is φ = 6110060615160.

The previous prime is 12220121230297. The next prime is 12220121230337. The reversal of 12220121230322 is 22303212102221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8192309052841 + 4027812177481 = 2862221^2 + 2006941^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3055030307579 + ... + 3055030307582.

Almost surely, 2^{12220121230322} is an apocalyptic number.

12220121230322 is a deficient number, since it is larger than the sum of its proper divisors (6110060615164).

12220121230322 is an equidigital number, since it uses as much as digits as its factorization.

12220121230322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110060615163.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12220121230322 its reverse (22303212102221), we get a palindrome (34523333332543).

The spelling of 12220121230322 in words is "twelve trillion, two hundred twenty billion, one hundred twenty-one million, two hundred thirty thousand, three hundred twenty-two".