121230321331112 has 32 divisors (see below), whose sum is σ = 259813482913920. Its totient is φ = 51949007415360.

The previous prime is 121230321331109. The next prime is 121230321331129. The reversal of 121230321331112 is 211133123032121.

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, 142166603 + ... + 143016794.

It is an arithmetic number, because the mean of its divisors is an integer number (8119171341060).

Almost surely, 2^{121230321331112} is an apocalyptic number.

It is an amenable number.

121230321331112 is an abundant number, since it is smaller than the sum of its proper divisors (138583161582808).

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

121230321331112 is a wasteful number, since it uses less digits than its factorization.

121230321331112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285191001 (or 285190997 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 121230321331112 its reverse (211133123032121), we get a palindrome (332363444363233).

The spelling of 121230321331112 in words is "one hundred twenty-one trillion, two hundred thirty billion, three hundred twenty-one million, three hundred thirty-one thousand, one hundred twelve".