2123320223212 has 12 divisors (see below), whose sum is σ = 3760579191096. Its totient is φ = 1048869025760.

The previous prime is 2123320223147. The next prime is 2123320223237. The reversal of 2123320223212 is 2123220233212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3197771089 + ... + 3197771752.

It is an arithmetic number, because the mean of its divisors is an integer number (313381599258).

Almost surely, 2^{2123320223212} is an apocalyptic number.

It is an amenable number.

2123320223212 is a deficient number, since it is larger than the sum of its proper divisors (1637258967884).

2123320223212 is a wasteful number, since it uses less digits than its factorization.

2123320223212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6395542928 (or 6395542926 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2123320223212 its reverse (2123220233212), we get a palindrome (4246540456424).

The spelling of 2123320223212 in words is "two trillion, one hundred twenty-three billion, three hundred twenty million, two hundred twenty-three thousand, two hundred twelve".