12430540477 has 4 divisors (see below), whose sum is σ = 12551225440. Its totient is φ = 12309855516.

The previous prime is 12430540457. The next prime is 12430540489. The reversal of 12430540477 is 77404503421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12430540477 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 (12430540457) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 60342327 + ... + 60342532.

It is an arithmetic number, because the mean of its divisors is an integer number (3137806360).

Almost surely, 2^12430540477 is an apocalyptic number.

It is an amenable number.

12430540477 is a deficient number, since it is larger than the sum of its proper divisors (120684963).

12430540477 is a wasteful number, since it uses less digits than its factorization.

12430540477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120684962.

The product of its (nonzero) digits is 94080, while the sum is 37.

The spelling of 12430540477 in words is "twelve billion, four hundred thirty million, five hundred forty thousand, four hundred seventy-seven".