12320040011 has 8 divisors (see below), whose sum is σ = 12470750544. Its totient is φ = 12169383840.

The previous prime is 12320039989. The next prime is 12320040023. The reversal of 12320040011 is 11004002321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12320040011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12320042011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622805 + ... + 642281.

It is an arithmetic number, because the mean of its divisors is an integer number (1558843818).

Almost surely, 2^12320040011 is an apocalyptic number.

12320040011 is a deficient number, since it is larger than the sum of its proper divisors (150710533).

12320040011 is an equidigital number, since it uses as much as digits as its factorization.

12320040011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27181.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12320040011 its reverse (11004002321), we get a palindrome (23324042332).

It can be divided in two parts, 12 and 320040011, that added together give a palindrome (320040023).

The spelling of 12320040011 in words is "twelve billion, three hundred twenty million, forty thousand, eleven".