12456801358 has 4 divisors (see below), whose sum is σ = 18685202040. Its totient is φ = 6228400678.

The previous prime is 12456801353. The next prime is 12456801389. The reversal of 12456801358 is 85310865421.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12456801353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3114200338 + ... + 3114200341.

It is an arithmetic number, because the mean of its divisors is an integer number (4671300510).

Almost surely, 2^12456801358 is an apocalyptic number.

12456801358 is a deficient number, since it is larger than the sum of its proper divisors (6228400682).

12456801358 is an equidigital number, since it uses as much as digits as its factorization.

12456801358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6228400681.

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 12456801358 in words is "twelve billion, four hundred fifty-six million, eight hundred one thousand, three hundred fifty-eight".