12472948345 has 32 divisors (see below), whose sum is σ = 17616372480. Its totient is φ = 8358147840.

The previous prime is 12472948339. The next prime is 12472948349. The reversal of 12472948345 is 54384927421.

It is not a de Polignac number, because 12472948345 - 2²⁷ = 12338730617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12472948349) 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 31 ways as a sum of consecutive naturals, for example, 382596 + ... + 413914.

It is an arithmetic number, because the mean of its divisors is an integer number (550511640).

Almost surely, 2^12472948345 is an apocalyptic number.

It is an amenable number.

12472948345 is a deficient number, since it is larger than the sum of its proper divisors (5143424135).

12472948345 is a wasteful number, since it uses less digits than its factorization.

12472948345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31905.

The product of its digits is 1935360, while the sum is 49.

The spelling of 12472948345 in words is "twelve billion, four hundred seventy-two million, nine hundred forty-eight thousand, three hundred forty-five".