12472462081 has 4 divisors (see below), whose sum is σ = 12483187632. Its totient is φ = 12461736532.

The previous prime is 12472462073. The next prime is 12472462099. The reversal of 12472462081 is 18026427421.

12472462081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18026427421 = 4051 ⋅4449871.

It is a cyclic number.

It is not a de Polignac number, because 12472462081 - 2³ = 12472462073 is a prime.

It is a super-2 number, since 2×12472462081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12472462081.

It is not an unprimeable number, because it can be changed into a prime (12472462181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5361031 + ... + 5363356.

It is an arithmetic number, because the mean of its divisors is an integer number (3120796908).

Almost surely, 2^12472462081 is an apocalyptic number.

It is an amenable number.

12472462081 is a deficient number, since it is larger than the sum of its proper divisors (10725551).

12472462081 is a wasteful number, since it uses less digits than its factorization.

12472462081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10725550.

The product of its (nonzero) digits is 43008, while the sum is 37.

The spelling of 12472462081 in words is "twelve billion, four hundred seventy-two million, four hundred sixty-two thousand, eighty-one".