12416456401 has 4 divisors (see below), whose sum is σ = 12844610100. Its totient is φ = 11988302704.

The previous prime is 12416456399. The next prime is 12416456407. The reversal of 12416456401 is 10465461421.

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 6313097025 + 6103359376 = 79455^2 + 78124^2 .

It is a cyclic number.

It is not a de Polignac number, because 12416456401 - 2¹ = 12416456399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12416456407) 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, 214076806 + ... + 214076863.

It is an arithmetic number, because the mean of its divisors is an integer number (3211152525).

Almost surely, 2^12416456401 is an apocalyptic number.

It is an amenable number.

12416456401 is a deficient number, since it is larger than the sum of its proper divisors (428153699).

12416456401 is an equidigital number, since it uses as much as digits as its factorization.

12416456401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428153698.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 12416456401 in words is "twelve billion, four hundred sixteen million, four hundred fifty-six thousand, four hundred one".