12529430730 has 80 divisors (see below), whose sum is σ = 34473837024. Its totient is φ = 3263470560.

The previous prime is 12529430713. The next prime is 12529430761. The reversal of 12529430730 is 3703492521.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 145036 + ... + 214695.

Almost surely, 2^12529430730 is an apocalyptic number.

12529430730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12529430730 is an abundant number, since it is smaller than the sum of its proper divisors (21944406294).

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

12529430730 is a wasteful number, since it uses less digits than its factorization.

12529430730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359793 (or 359784 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 12529430730 in words is "twelve billion, five hundred twenty-nine million, four hundred thirty thousand, seven hundred thirty".