12321452315132 has 6 divisors (see below), whose sum is σ = 21562541551488. Its totient is φ = 6160726157564.

The previous prime is 12321452315129. The next prime is 12321452315209. The reversal of 12321452315132 is 23151325412321.

It is a junction number, because it is equal to n+sod(n) for n = 12321452315092 and 12321452315101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1540181539388 + ... + 1540181539395.

It is an arithmetic number, because the mean of its divisors is an integer number (3593756925248).

Almost surely, 2^{12321452315132} is an apocalyptic number.

It is an amenable number.

12321452315132 is a deficient number, since it is larger than the sum of its proper divisors (9241089236356).

12321452315132 is a wasteful number, since it uses less digits than its factorization.

12321452315132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080363078787 (or 3080363078785 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

Adding to 12321452315132 its reverse (23151325412321), we get a palindrome (35472777727453).

The spelling of 12321452315132 in words is "twelve trillion, three hundred twenty-one billion, four hundred fifty-two million, three hundred fifteen thousand, one hundred thirty-two".