12344666530 has 24 divisors (see below), whose sum is σ = 25848221148. Its totient is φ = 4232456928.

The previous prime is 12344666449. The next prime is 12344666531. The reversal of 12344666530 is 3566644321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12243201201 + 101465329 = 110649^2 + 10073^2 .

It is not an unprimeable number, because it can be changed into a prime (12344666531) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 12596109 + ... + 12597088.

Almost surely, 2^12344666530 is an apocalyptic number.

12344666530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12344666530 is an abundant number, since it is smaller than the sum of its proper divisors (13503554618).

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

12344666530 is a wasteful number, since it uses less digits than its factorization.

12344666530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25193218 (or 25193211 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 40.

It can be divided in two parts, 1234466 and 6530, that added together give a square (1240996 = 1114²).

The spelling of 12344666530 in words is "twelve billion, three hundred forty-four million, six hundred sixty-six thousand, five hundred thirty".