12530412306 has 48 divisors (see below), whose sum is σ = 27553219200. Its totient is φ = 4114884384.

The previous prime is 12530412287. The next prime is 12530412329. The reversal of 12530412306 is 60321403521.

12530412306 is a `hidden beast` number, since 1 + 2 + 530 + 4 + 123 + 0 + 6 = 666.

It is a super-2 number, since 2×12530412306² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12530412306.

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, 654640 + ... + 673508.

It is an arithmetic number, because the mean of its divisors is an integer number (574025400).

Almost surely, 2^12530412306 is an apocalyptic number.

12530412306 is an abundant number, since it is smaller than the sum of its proper divisors (15022806894).

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

12530412306 is a wasteful number, since it uses less digits than its factorization.

12530412306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19423 (or 19420 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 12530412306 its reverse (60321403521), we get a palindrome (72851815827).

The spelling of 12530412306 in words is "twelve billion, five hundred thirty million, four hundred twelve thousand, three hundred six".