12320040113 has 4 divisors (see below), whose sum is σ = 12458467620. Its totient is φ = 12181612608.

The previous prime is 12320040049. The next prime is 12320040127. The reversal of 12320040113 is 31104002321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8680089889 + 3639950224 = 93167^2 + 60332^2 .

It is a cyclic number.

It is not a de Polignac number, because 12320040113 - 2⁶ = 12320040049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12320040091 and 12320040100.

It is not an unprimeable number, because it can be changed into a prime (12320040163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69213620 + ... + 69213797.

It is an arithmetic number, because the mean of its divisors is an integer number (3114616905).

Almost surely, 2^12320040113 is an apocalyptic number.

It is an amenable number.

12320040113 is a deficient number, since it is larger than the sum of its proper divisors (138427507).

12320040113 is an equidigital number, since it uses as much as digits as its factorization.

12320040113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138427506.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12320040113 its reverse (31104002321), we get a palindrome (43424042434).

The spelling of 12320040113 in words is "twelve billion, three hundred twenty million, forty thousand, one hundred thirteen".