12430627381 has 4 divisors (see below), whose sum is σ = 12439267200. Its totient is φ = 12421987564.

The previous prime is 12430627343. The next prime is 12430627387. The reversal of 12430627381 is 18372603421.

It is a happy number.

12430627381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 12430627381 - 2²¹ = 12428530229 is a prime.

It is a super-2 number, since 2×12430627381² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12430627381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12430627387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4317751 + ... + 4320628.

It is an arithmetic number, because the mean of its divisors is an integer number (3109816800).

Almost surely, 2^12430627381 is an apocalyptic number.

It is an amenable number.

12430627381 is a deficient number, since it is larger than the sum of its proper divisors (8639819).

12430627381 is an equidigital number, since it uses as much as digits as its factorization.

12430627381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8639818.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 12430627381 in words is "twelve billion, four hundred thirty million, six hundred twenty-seven thousand, three hundred eighty-one".