121332131112 has 32 divisors (see below), whose sum is σ = 303382627200. Its totient is φ = 40437070464.

The previous prime is 121332131099. The next prime is 121332131143. The reversal of 121332131112 is 211131233121.

It is a nude number because it is divisible by every one of its digits.

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, 292773 + ... + 573044.

It is an arithmetic number, because the mean of its divisors is an integer number (9480707100).

Almost surely, 2^121332131112 is an apocalyptic number.

121332131112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121332131112 is an abundant number, since it is smaller than the sum of its proper divisors (182050496088).

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

121332131112 is a wasteful number, since it uses less digits than its factorization.

121332131112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871665 (or 871661 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

Adding to 121332131112 its reverse (211131233121), we get a palindrome (332463364233).

It can be divided in two parts, 121 and 332131112, that added together give a palindrome (332131233).

The spelling of 121332131112 in words is "one hundred twenty-one billion, three hundred thirty-two million, one hundred thirty-one thousand, one hundred twelve".