12430697328 has 120 divisors (see below), whose sum is σ = 39795676128. Its totient is φ = 3548307456.

The previous prime is 12430697291. The next prime is 12430697333. The reversal of 12430697328 is 82379603421.

12430697328 is a `hidden beast` number, since 12 + 4 + 306 + 9 + 7 + 328 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1197376 + ... + 1207712.

Almost surely, 2^12430697328 is an apocalyptic number.

12430697328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12430697328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19897838064).

12430697328 is an abundant number, since it is smaller than the sum of its proper divisors (27364978800).

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

12430697328 is a wasteful number, since it uses less digits than its factorization.

12430697328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11551 (or 11542 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 12430697328 in words is "twelve billion, four hundred thirty million, six hundred ninety-seven thousand, three hundred twenty-eight".