12304351331512 has 32 divisors (see below), whose sum is σ = 23629690854000. Its totient is φ = 6003373227264.

The previous prime is 12304351331479. The next prime is 12304351331537. The reversal of 12304351331512 is 21513315340321.

It is a super-2 number, since 2×12304351331512² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16687983 + ... + 17409694.

Almost surely, 2^{12304351331512} is an apocalyptic number.

It is an amenable number.

12304351331512 is a deficient number, since it is larger than the sum of its proper divisors (11325339522488).

12304351331512 is a wasteful number, since it uses less digits than its factorization.

12304351331512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34098775 (or 34098771 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 12304351331512 its reverse (21513315340321), we get a palindrome (33817666671833).

The spelling of 12304351331512 in words is "twelve trillion, three hundred four billion, three hundred fifty-one million, three hundred thirty-one thousand, five hundred twelve".