1212323112122 has 16 divisors (see below), whose sum is σ = 1849829335200. Its totient is φ = 595719143760.

The previous prime is 1212323112073. The next prime is 1212323112211. The reversal of 1212323112122 is 2212113232121.

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, 1032872 + ... + 1868547.

It is an arithmetic number, because the mean of its divisors is an integer number (115614333450).

Almost surely, 2^{1212323112122} is an apocalyptic number.

1212323112122 is a deficient number, since it is larger than the sum of its proper divisors (637506223078).

1212323112122 is a wasteful number, since it uses less digits than its factorization.

1212323112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905021.

The product of its digits is 576, while the sum is 23.

Adding to 1212323112122 its reverse (2212113232121), we get a palindrome (3424436344243).

The spelling of 1212323112122 in words is "one trillion, two hundred twelve billion, three hundred twenty-three million, one hundred twelve thousand, one hundred twenty-two".