12031000121332 has 12 divisors (see below), whose sum is σ = 21055593153280. Its totient is φ = 6015116363256.

The previous prime is 12031000121303. The next prime is 12031000121333. The reversal of 12031000121332 is 23312100013021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031000121333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95853798 + ... + 95979229.

Almost surely, 2^{12031000121332} is an apocalyptic number.

It is an amenable number.

12031000121332 is a deficient number, since it is larger than the sum of its proper divisors (9024593031948).

12031000121332 is a wasteful number, since it uses less digits than its factorization.

12031000121332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191848710 (or 191848708 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12031000121332 its reverse (23312100013021), we get a palindrome (35343100134353).

The spelling of 12031000121332 in words is "twelve trillion, thirty-one billion, one hundred twenty-one thousand, three hundred thirty-two".