12530210540 has 96 divisors (see below), whose sum is σ = 27770265600. Its totient is φ = 4743048960.

The previous prime is 12530210527. The next prime is 12530210597. The reversal of 12530210540 is 4501203521.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5337647 + ... + 5339993.

It is an arithmetic number, because the mean of its divisors is an integer number (289273600).

Almost surely, 2^12530210540 is an apocalyptic number.

12530210540 is a gapful number since it is divisible by the number (10) 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 12530210540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13885132800).

12530210540 is an abundant number, since it is smaller than the sum of its proper divisors (15240055060).

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

12530210540 is a wasteful number, since it uses less digits than its factorization.

12530210540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575 (or 2573 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The spelling of 12530210540 in words is "twelve billion, five hundred thirty million, two hundred ten thousand, five hundred forty".