12530412305 has 8 divisors (see below), whose sum is σ = 15690255552. Its totient is φ = 9588489328.

The previous prime is 12530412287. The next prime is 12530412329. The reversal of 12530412305 is 50321403521.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12530412305 - 2¹⁰ = 12530411281 is a prime.

It is a super-2 number, since 2×12530412305² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54479939 + ... + 54480168.

It is an arithmetic number, because the mean of its divisors is an integer number (1961281944).

Almost surely, 2^12530412305 is an apocalyptic number.

It is an amenable number.

12530412305 is a deficient number, since it is larger than the sum of its proper divisors (3159843247).

12530412305 is a wasteful number, since it uses less digits than its factorization.

12530412305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108960135.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 12530412305 its reverse (50321403521), we get a palindrome (62851815826).

The spelling of 12530412305 in words is "twelve billion, five hundred thirty million, four hundred twelve thousand, three hundred five".