1230120321222 has 32 divisors (see below), whose sum is σ = 2649558562560. Its totient is φ = 378488754720.

The previous prime is 1230120321211. The next prime is 1230120321229. The reversal of 1230120321222 is 2221230210321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230120321229) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3183697 + ... + 3549107.

It is an arithmetic number, because the mean of its divisors is an integer number (82798705080).

Almost surely, 2^{1230120321222} is an apocalyptic number.

1230120321222 is an abundant number, since it is smaller than the sum of its proper divisors (1419438241338).

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

1230120321222 is a wasteful number, since it uses less digits than its factorization.

1230120321222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408588.

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

Adding to 1230120321222 its reverse (2221230210321), we get a palindrome (3451350531543).

The spelling of 1230120321222 in words is "one trillion, two hundred thirty billion, one hundred twenty million, three hundred twenty-one thousand, two hundred twenty-two".