12525252525252 has 48 divisors (see below), whose sum is σ = 32473284782400. Its totient is φ = 4175031735360.

The previous prime is 12525252525217. The next prime is 12525252525257. The reversal of 12525252525252 is 25252525252521.

12525252525252 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 52 + 52 + 525 + 25 + 2 = 666.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 12525252525198 and 12525252525207.

It is not an unprimeable number, because it can be changed into a prime (12525252525257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8442199 + ... + 9814337.

It is an arithmetic number, because the mean of its divisors is an integer number (676526766300).

Almost surely, 2^{12525252525252} is an apocalyptic number.

12525252525252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12525252525252 is an abundant number, since it is smaller than the sum of its proper divisors (19948032257148).

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

12525252525252 is a wasteful number, since it uses less digits than its factorization.

12525252525252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456673 (or 1456665 counting only the distinct ones).

The product of its digits is 2000000, while the sum is 45.

Adding to 12525252525252 its reverse (25252525252521), we get a palindrome (37777777777773).

The spelling of 12525252525252 in words is "twelve trillion, five hundred twenty-five billion, two hundred fifty-two million, five hundred twenty-five thousand, two hundred fifty-two".