12480489578437 has 4 divisors (see below), whose sum is σ = 12482370026476. Its totient is φ = 12478609130400.

The previous prime is 12480489578377. The next prime is 12480489578449. The reversal of 12480489578437 is 73487598408421.

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 71842225156 + 12408647353281 = 268034^2 + 3522591^2 .

It is a cyclic number.

It is not a de Polignac number, because 12480489578437 - 2²³ = 12480481189829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12480489578467) 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, 940214064 + ... + 940227337.

It is an arithmetic number, because the mean of its divisors is an integer number (3120592506619).

Almost surely, 2^{12480489578437} is an apocalyptic number.

It is an amenable number.

12480489578437 is a deficient number, since it is larger than the sum of its proper divisors (1880448039).

12480489578437 is an equidigital number, since it uses as much as digits as its factorization.

12480489578437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880448038.

The product of its (nonzero) digits is 433520640, while the sum is 70.

The spelling of 12480489578437 in words is "twelve trillion, four hundred eighty billion, four hundred eighty-nine million, five hundred seventy-eight thousand, four hundred thirty-seven".