12023221213131 has 8 divisors (see below), whose sum is σ = 16727959948800. Its totient is φ = 7666981643112.

The previous prime is 12023221213127. The next prime is 12023221213207. The reversal of 12023221213131 is 13131212232021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12023221213131 - 2² = 12023221213127 is a prime.

It is a super-3 number, since 3×12023221213131³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (12023221217131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87124791331 + ... + 87124791468.

It is an arithmetic number, because the mean of its divisors is an integer number (2090994993600).

Almost surely, 2^{12023221213131} is an apocalyptic number.

12023221213131 is a deficient number, since it is larger than the sum of its proper divisors (4704738735669).

12023221213131 is a wasteful number, since it uses less digits than its factorization.

12023221213131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174249582825.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12023221213131 its reverse (13131212232021), we get a palindrome (25154433445152).

The spelling of 12023221213131 in words is "twelve trillion, twenty-three billion, two hundred twenty-one million, two hundred thirteen thousand, one hundred thirty-one".