12320123001222 has 16 divisors (see below), whose sum is σ = 24641907581952. Its totient is φ = 4106430737160.

The previous prime is 12320123001217. The next prime is 12320123001287. The reversal of 12320123001222 is 22210032102321.

It is a super-2 number, since 2×12320123001222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69136078 + ... + 69314049.

It is an arithmetic number, because the mean of its divisors is an integer number (1540119223872).

Almost surely, 2^{12320123001222} is an apocalyptic number.

12320123001222 is an abundant number, since it is smaller than the sum of its proper divisors (12321784580730).

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

12320123001222 is a wasteful number, since it uses less digits than its factorization.

12320123001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138464963.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12320123001222 its reverse (22210032102321), we get a palindrome (34530155103543).

The spelling of 12320123001222 in words is "twelve trillion, three hundred twenty billion, one hundred twenty-three million, one thousand, two hundred twenty-two".