12320497494 has 16 divisors (see below), whose sum is σ = 27378883440. Its totient is φ = 4106832480.

The previous prime is 12320497481. The next prime is 12320497517. The reversal of 12320497494 is 49479402321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114078627 + ... + 114078734.

It is an arithmetic number, because the mean of its divisors is an integer number (1711180215).

Almost surely, 2^12320497494 is an apocalyptic number.

12320497494 is an abundant number, since it is smaller than the sum of its proper divisors (15058385946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12320497494 is a wasteful number, since it uses less digits than its factorization.

12320497494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228157372 (or 228157366 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 12320497494 in words is "twelve billion, three hundred twenty million, four hundred ninety-seven thousand, four hundred ninety-four".