12630421243 has 8 divisors (see below), whose sum is σ = 14253767280. Its totient is φ = 11086262880.

The previous prime is 12630421241. The next prime is 12630421253. The reversal of 12630421243 is 34212403621.

It is a happy number.

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

It is not a de Polignac number, because 12630421243 - 2¹ = 12630421241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12630421241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19796580 + ... + 19797217.

It is an arithmetic number, because the mean of its divisors is an integer number (1781720910).

Almost surely, 2^12630421243 is an apocalyptic number.

12630421243 is a deficient number, since it is larger than the sum of its proper divisors (1623346037).

12630421243 is a wasteful number, since it uses less digits than its factorization.

12630421243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39593837.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 12630421243 its reverse (34212403621), we get a palindrome (46842824864).

The spelling of 12630421243 in words is "twelve billion, six hundred thirty million, four hundred twenty-one thousand, two hundred forty-three".