12320513434 has 8 divisors (see below), whose sum is σ = 18484213140. Its totient is φ = 6159109056.

The previous prime is 12320513423. The next prime is 12320513473. The reversal of 12320513434 is 43431502321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11362920409 + 957593025 = 106597^2 + 30945^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560349 + ... + 581920.

Almost surely, 2^12320513434 is an apocalyptic number.

12320513434 is a deficient number, since it is larger than the sum of its proper divisors (6163699706).

12320513434 is a wasteful number, since it uses less digits than its factorization.

12320513434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147664.

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 12320513434 in words is "twelve billion, three hundred twenty million, five hundred thirteen thousand, four hundred thirty-four".