2123112323122 has 16 divisors (see below), whose sum is σ = 3640175174592. Its totient is φ = 909766769040.

The previous prime is 2123112323089. The next prime is 2123112323149. The reversal of 2123112323122 is 2213232113212.

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, 11447413 + ... + 11631400.

It is an arithmetic number, because the mean of its divisors is an integer number (227510948412).

Almost surely, 2^{2123112323122} is an apocalyptic number.

2123112323122 is a deficient number, since it is larger than the sum of its proper divisors (1517062851470).

2123112323122 is a wasteful number, since it uses less digits than its factorization.

2123112323122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23085393.

The product of its digits is 1728, while the sum is 25.

Adding to 2123112323122 its reverse (2213232113212), we get a palindrome (4336344436334).

The spelling of 2123112323122 in words is "two trillion, one hundred twenty-three billion, one hundred twelve million, three hundred twenty-three thousand, one hundred twenty-two".