12472612455305 has 4 divisors (see below), whose sum is σ = 14967134946372. Its totient is φ = 9978089964240.

The previous prime is 12472612455293. The next prime is 12472612455307. The reversal of 12472612455305 is 50355421627421.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9926759256976 + 2545853198329 = 3150676^2 + 1595573^2 .

It is not a de Polignac number, because 12472612455305 - 2⁶ = 12472612455241 is a prime.

It is a super-2 number, since 2×12472612455305² (a number of 27 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 12472612455305.

It is not an unprimeable number, because it can be changed into a prime (12472612455307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1247261245526 + ... + 1247261245535.

It is an arithmetic number, because the mean of its divisors is an integer number (3741783736593).

Almost surely, 2^{12472612455305} is an apocalyptic number.

It is an amenable number.

12472612455305 is a deficient number, since it is larger than the sum of its proper divisors (2494522491067).

12472612455305 is an equidigital number, since it uses as much as digits as its factorization.

12472612455305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494522491066.

The product of its (nonzero) digits is 2016000, while the sum is 47.

The spelling of 12472612455305 in words is "twelve trillion, four hundred seventy-two billion, six hundred twelve million, four hundred fifty-five thousand, three hundred five".