1213232111122 has 32 divisors (see below), whose sum is σ = 1950772464000. Its totient is φ = 564182236800.

The previous prime is 1213232111111. The next prime is 1213232111149. The reversal of 1213232111122 is 2211112323121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1213232111093 and 1213232111102.

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 15 ways as a sum of consecutive naturals, for example, 705379 + ... + 1709977.

It is an arithmetic number, because the mean of its divisors is an integer number (60961639500).

Almost surely, 2^{1213232111122} is an apocalyptic number.

1213232111122 is a deficient number, since it is larger than the sum of its proper divisors (737540352878).

1213232111122 is a wasteful number, since it uses less digits than its factorization.

1213232111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005202.

The product of its digits is 288, while the sum is 22.

Adding to 1213232111122 its reverse (2211112323121), we get a palindrome (3424344434243).

The spelling of 1213232111122 in words is "one trillion, two hundred thirteen billion, two hundred thirty-two million, one hundred eleven thousand, one hundred twenty-two".