12326205181738 has 16 divisors (see below), whose sum is σ = 21198147485760. Its totient is φ = 5265781855776.

The previous prime is 12326205181727. The next prime is 12326205181769. The reversal of 12326205181738 is 83718150262321.

It is a junction number, because it is equal to n+sod(n) for n = 12326205181691 and 12326205181700.

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, 1406454448 + ... + 1406463211.

It is an arithmetic number, because the mean of its divisors is an integer number (1324884217860).

Almost surely, 2^{12326205181738} is an apocalyptic number.

12326205181738 is a deficient number, since it is larger than the sum of its proper divisors (8871942304022).

12326205181738 is a wasteful number, since it uses less digits than its factorization.

12326205181738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812917981.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 12326205181738 in words is "twelve trillion, three hundred twenty-six billion, two hundred five million, one hundred eighty-one thousand, seven hundred thirty-eight".