12456623320005 has 16 divisors (see below), whose sum is σ = 19931199350400. Its totient is φ = 6643331757888.

The previous prime is 12456623319991. The next prime is 12456623320019. The reversal of 12456623320005 is 50002332665421.

12456623320005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12456623319991) and next prime (12456623320019).

It is not a de Polignac number, because 12456623320005 - 2¹⁸ = 12456623057861 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12028657 + ... + 13023126.

It is an arithmetic number, because the mean of its divisors is an integer number (1245699959400).

Almost surely, 2^{12456623320005} is an apocalyptic number.

12456623320005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12456623320005 is a deficient number, since it is larger than the sum of its proper divisors (7474576030395).

12456623320005 is a wasteful number, since it uses less digits than its factorization.

12456623320005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25084940.

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 12456623320005 its reverse (50002332665421), we get a palindrome (62458955985426).

The spelling of 12456623320005 in words is "twelve trillion, four hundred fifty-six billion, six hundred twenty-three million, three hundred twenty thousand, five".