12315454334332 has 24 divisors (see below), whose sum is σ = 21636616057056. Its totient is φ = 6133569713088.

The previous prime is 12315454334299. The next prime is 12315454334357. The reversal of 12315454334332 is 23343345451321.

It is a super-2 number, since 2×12315454334332² (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, 8018418 + ... + 9430054.

It is an arithmetic number, because the mean of its divisors is an integer number (901525669044).

Almost surely, 2^{12315454334332} is an apocalyptic number.

It is an amenable number.

12315454334332 is a deficient number, since it is larger than the sum of its proper divisors (9321161722724).

12315454334332 is a wasteful number, since it uses less digits than its factorization.

12315454334332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420197 (or 1420195 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 43.

Adding to 12315454334332 its reverse (23343345451321), we get a palindrome (35658799785653).

The spelling of 12315454334332 in words is "twelve trillion, three hundred fifteen billion, four hundred fifty-four million, three hundred thirty-four thousand, three hundred thirty-two".