12630443530 has 8 divisors (see below), whose sum is σ = 22734798372. Its totient is φ = 5052177408.

The previous prime is 12630443521. The next prime is 12630443533. The reversal of 12630443530 is 3534403621.

It can be written as a sum of positive squares in 2 ways, for example, as 11748175321 + 882268209 = 108389^2 + 29703^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12630443492 and 12630443501.

It is not an unprimeable number, because it can be changed into a prime (12630443533) 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, 631522167 + ... + 631522186.

Almost surely, 2^12630443530 is an apocalyptic number.

12630443530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12630443530 is a deficient number, since it is larger than the sum of its proper divisors (10104354842).

12630443530 is a wasteful number, since it uses less digits than its factorization.

12630443530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263044360.

The product of its (nonzero) digits is 25920, while the sum is 31.

The spelling of 12630443530 in words is "twelve billion, six hundred thirty million, four hundred forty-three thousand, five hundred thirty".