12123310131322 has 16 divisors (see below), whose sum is σ = 19596040976232. Its totient is φ = 5591878963200.

The previous prime is 12123310131239. The next prime is 12123310131367. The reversal of 12123310131322 is 22313101332121.

It can be written as a sum of positive squares in 4 ways, for example, as 8587296907281 + 3536013224041 = 2930409^2 + 1880429^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145580223 + ... + 145663474.

Almost surely, 2^{12123310131322} is an apocalyptic number.

12123310131322 is a deficient number, since it is larger than the sum of its proper divisors (7472730844910).

12123310131322 is a wasteful number, since it uses less digits than its factorization.

12123310131322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291245313.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12123310131322 its reverse (22313101332121), we get a palindrome (34436411463443).

The spelling of 12123310131322 in words is "twelve trillion, one hundred twenty-three billion, three hundred ten million, one hundred thirty-one thousand, three hundred twenty-two".