12526121472 has 40 divisors (see below), whose sum is σ = 33370374576. Its totient is φ = 4175373312.

The previous prime is 12526121449. The next prime is 12526121501. The reversal of 12526121472 is 27412162521.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4075978 + ... + 4079049.

Almost surely, 2^12526121472 is an apocalyptic number.

12526121472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12526121472 is an abundant number, since it is smaller than the sum of its proper divisors (20844253104).

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

12526121472 is an frugal number, since it uses more digits than its factorization.

12526121472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8155048 (or 8155032 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

Adding to 12526121472 its reverse (27412162521), we get a palindrome (39938283993).

The spelling of 12526121472 in words is "twelve billion, five hundred twenty-six million, one hundred twenty-one thousand, four hundred seventy-two".