12472543251 has 36 divisors (see below), whose sum is σ = 21029010912. Its totient is φ = 7102769184.

The previous prime is 12472543243. The next prime is 12472543273. The reversal of 12472543251 is 15234527421.

12472543251 is a `hidden beast` number, since 1 + 24 + 72 + 543 + 25 + 1 = 666.

It is not a de Polignac number, because 12472543251 - 2³ = 12472543243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12472543241) 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 35 ways as a sum of consecutive naturals, for example, 80950 + ... + 177476.

It is an arithmetic number, because the mean of its divisors is an integer number (584139192).

Almost surely, 2^12472543251 is an apocalyptic number.

12472543251 is a deficient number, since it is larger than the sum of its proper divisors (8556467661).

12472543251 is a wasteful number, since it uses less digits than its factorization.

12472543251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96840 (or 96830 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The spelling of 12472543251 in words is "twelve billion, four hundred seventy-two million, five hundred forty-three thousand, two hundred fifty-one".