122330111112 has 128 divisors (see below), whose sum is σ = 377691984000. Its totient is φ = 36370264320.

The previous prime is 122330111083. The next prime is 122330111143. The reversal of 122330111112 is 211111033221.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 31 ways as a sum of consecutive naturals, for example, 359787 + ... + 611642.

It is an arithmetic number, because the mean of its divisors is an integer number (2950718625).

Almost surely, 2^122330111112 is an apocalyptic number.

122330111112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122330111112 is an abundant number, since it is smaller than the sum of its proper divisors (255361872888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122330111112 is a wasteful number, since it uses less digits than its factorization.

122330111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971508 (or 971498 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 122330111112 its reverse (211111033221), we get a palindrome (333441144333).

The spelling of 122330111112 in words is "one hundred twenty-two billion, three hundred thirty million, one hundred eleven thousand, one hundred twelve".