12321345501036 has 120 divisors (see below), whose sum is σ = 37841625356304. Its totient is φ = 3446530197120.

The previous prime is 12321345500963. The next prime is 12321345501061. The reversal of 12321345501036 is 63010554312321.

12321345501036 is a `hidden beast` number, since 1 + 2 + 32 + 1 + 34 + 550 + 10 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 132921655 + ... + 133014318.

Almost surely, 2^{12321345501036} is an apocalyptic number.

It is an amenable number.

12321345501036 is an abundant number, since it is smaller than the sum of its proper divisors (25520279855268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12321345501036 is a wasteful number, since it uses less digits than its factorization.

12321345501036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265936013 (or 265936002 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 12321345501036 its reverse (63010554312321), we get a palindrome (75331899813357).

The spelling of 12321345501036 in words is "twelve trillion, three hundred twenty-one billion, three hundred forty-five million, five hundred one thousand, thirty-six".