12031254251512 has 16 divisors (see below), whose sum is σ = 22777617273840. Its totient is φ = 5957222978496.

The previous prime is 12031254251503. The next prime is 12031254251519. The reversal of 12031254251512 is 21515245213021.

It is a super-2 number, since 2×12031254251512² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031254251519) 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, 7300517533 + ... + 7300519180.

It is an arithmetic number, because the mean of its divisors is an integer number (1423601079615).

Almost surely, 2^{12031254251512} is an apocalyptic number.

It is an amenable number.

12031254251512 is a deficient number, since it is larger than the sum of its proper divisors (10746363022328).

12031254251512 is a wasteful number, since it uses less digits than its factorization.

12031254251512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14601036822 (or 14601036818 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 12031254251512 its reverse (21515245213021), we get a palindrome (33546499464533).

The spelling of 12031254251512 in words is "twelve trillion, thirty-one billion, two hundred fifty-four million, two hundred fifty-one thousand, five hundred twelve".