12472124251 has 4 divisors (see below), whose sum is σ = 12473109712. Its totient is φ = 12471138792.

The previous prime is 12472124237. The next prime is 12472124311. The reversal of 12472124251 is 15242127421.

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 12472124251 - 2²¹ = 12470027099 is a prime.

It is a super-2 number, since 2×12472124251² (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 (12472124201) 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, 473496 + ... + 499141.

It is an arithmetic number, because the mean of its divisors is an integer number (3118277428).

Almost surely, 2^12472124251 is an apocalyptic number.

12472124251 is a deficient number, since it is larger than the sum of its proper divisors (985461).

12472124251 is an equidigital number, since it uses as much as digits as its factorization.

12472124251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985460.

The product of its digits is 8960, while the sum is 31.

The spelling of 12472124251 in words is "twelve billion, four hundred seventy-two million, one hundred twenty-four thousand, two hundred fifty-one".