121313112132 has 48 divisors (see below), whose sum is σ = 290957184000. Its totient is φ = 39323601408.

The previous prime is 121313112097. The next prime is 121313112161. The reversal of 121313112132 is 231211313121.

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

It is a junction number, because it is equal to n+sod(n) for n = 121313112099 and 121313112108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 772132 + ... + 915867.

It is an arithmetic number, because the mean of its divisors is an integer number (6061608000).

Almost surely, 2^121313112132 is an apocalyptic number.

121313112132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121313112132 is an abundant number, since it is smaller than the sum of its proper divisors (169644071868).

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

121313112132 is a wasteful number, since it uses less digits than its factorization.

121313112132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688172 (or 1688170 counting only the distinct ones).

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

Adding to 121313112132 its reverse (231211313121), we get a palindrome (352524425253).

The spelling of 121313112132 in words is "one hundred twenty-one billion, three hundred thirteen million, one hundred twelve thousand, one hundred thirty-two".