12630443450 has 48 divisors (see below), whose sum is σ = 23922465144. Its totient is φ = 4960051200.

The previous prime is 12630443447. The next prime is 12630443459. The reversal of 12630443450 is 5434403621.

It can be written as a sum of positive squares in 12 ways, for example, as 3590046889 + 9040396561 = 59917^2 + 95081^2 .

It is not an unprimeable number, because it can be changed into a prime (12630443459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1756262 + ... + 1763438.

Almost surely, 2^12630443450 is an apocalyptic number.

12630443450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12630443450 is a deficient number, since it is larger than the sum of its proper divisors (11292021694).

12630443450 is a wasteful number, since it uses less digits than its factorization.

12630443450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7827 (or 7822 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The spelling of 12630443450 in words is "twelve billion, six hundred thirty million, four hundred forty-three thousand, four hundred fifty".