12412524251 has 4 divisors (see below), whose sum is σ = 12452181192. Its totient is φ = 12372867312.

The previous prime is 12412524247. The next prime is 12412524259. The reversal of 12412524251 is 15242521421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12412524251 - 2² = 12412524247 is a prime.

It is a super-2 number, since 2×12412524251² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12412524259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19828001 + ... + 19828626.

It is an arithmetic number, because the mean of its divisors is an integer number (3113045298).

Almost surely, 2^12412524251 is an apocalyptic number.

12412524251 is a deficient number, since it is larger than the sum of its proper divisors (39656941).

12412524251 is an equidigital number, since it uses as much as digits as its factorization.

12412524251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39656940.

The product of its digits is 6400, while the sum is 29.

The spelling of 12412524251 in words is "twelve billion, four hundred twelve million, five hundred twenty-four thousand, two hundred fifty-one".