12522457230 has 128 divisors (see below), whose sum is σ = 32373993600. Its totient is φ = 3094060032.

The previous prime is 12522457219. The next prime is 12522457247. The reversal of 12522457230 is 3275422521.

It is a junction number, because it is equal to n+sod(n) for n = 12522457191 and 12522457200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 171540474 + ... + 171540546.

It is an arithmetic number, because the mean of its divisors is an integer number (252921825).

Almost surely, 2^12522457230 is an apocalyptic number.

12522457230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12522457230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16186996800).

12522457230 is an abundant number, since it is smaller than the sum of its proper divisors (19851536370).

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

12522457230 is an frugal number, since it uses more digits than its factorization.

12522457230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

Adding to 12522457230 its reverse (3275422521), we get a palindrome (15797879751).

The spelling of 12522457230 in words is "twelve billion, five hundred twenty-two million, four hundred fifty-seven thousand, two hundred thirty".