122122111231312 has 40 divisors (see below), whose sum is σ = 237301625309000. Its totient is φ = 60882999916032.

The previous prime is 122122111231261. The next prime is 122122111231327. The reversal of 122122111231312 is 213132111221221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6802519450896 + 115319591780416 = 2608164^2 + 10738696^2 .

It is a congruent number.

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, 111295978 + ... + 112387894.

It is an arithmetic number, because the mean of its divisors is an integer number (5932540632725).

Almost surely, 2^{122122111231312} is an apocalyptic number.

It is an amenable number.

122122111231312 is a deficient number, since it is larger than the sum of its proper divisors (115179514077688).

122122111231312 is a wasteful number, since it uses less digits than its factorization.

122122111231312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112303 (or 1112297 counting only the distinct ones).

The product of its digits is 576, while the sum is 25.

Adding to 122122111231312 its reverse (213132111221221), we get a palindrome (335254222452533).

The spelling of 122122111231312 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, one hundred eleven million, two hundred thirty-one thousand, three hundred twelve".