12530311254 has 32 divisors (see below), whose sum is σ = 29310672000. Its totient is φ = 3956940072.

The previous prime is 12530311237. The next prime is 12530311267. The reversal of 12530311254 is 45211303521.

12530311254 is a `hidden beast` number, since 1 + 2 + 530 + 3 + 1 + 125 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6105364 + ... + 6107415.

It is an arithmetic number, because the mean of its divisors is an integer number (915958500).

Almost surely, 2^12530311254 is an apocalyptic number.

12530311254 is an abundant number, since it is smaller than the sum of its proper divisors (16780360746).

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

12530311254 is a wasteful number, since it uses less digits than its factorization.

12530311254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12212809 (or 12212803 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 12530311254 its reverse (45211303521), we get a palindrome (57741614775).

The spelling of 12530311254 in words is "twelve billion, five hundred thirty million, three hundred eleven thousand, two hundred fifty-four".