12121222112132 has 12 divisors (see below), whose sum is σ = 24242444224320. Its totient is φ = 5194809476616.

The previous prime is 12121222112113. The next prime is 12121222112227. The reversal of 12121222112132 is 23121122212121.

12121222112132 is an admirable number.

It is a super-3 number, since 3×12121222112132³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12121222112098 and 12121222112107.

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 3 ways as a sum of consecutive naturals, for example, 216450394832 + ... + 216450394887.

It is an arithmetic number, because the mean of its divisors is an integer number (2020203685360).

Almost surely, 2^{12121222112132} is an apocalyptic number.

It is an amenable number.

12121222112132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12121222112132 is a wasteful number, since it uses less digits than its factorization.

12121222112132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432900789730 (or 432900789728 counting only the distinct ones).

The product of its digits is 384, while the sum is 23.

Adding to 12121222112132 its reverse (23121122212121), we get a palindrome (35242344324253).

The spelling of 12121222112132 in words is "twelve trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred twelve thousand, one hundred thirty-two".