12046471406851 has 16 divisors (see below), whose sum is σ = 13800522009600. Its totient is φ = 10300710551040.

The previous prime is 12046471406821. The next prime is 12046471406863. The reversal of 12046471406851 is 15860417464021.

It is not a de Polignac number, because 12046471406851 - 2⁹ = 12046471406339 is a prime.

It is a super-2 number, since 2×12046471406851² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12046471406795 and 12046471406804.

It is not an unprimeable number, because it can be changed into a prime (12046471406821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17409156 + ... + 18087886.

It is an arithmetic number, because the mean of its divisors is an integer number (862532625600).

Almost surely, 2^{12046471406851} is an apocalyptic number.

12046471406851 is a deficient number, since it is larger than the sum of its proper divisors (1754050602749).

12046471406851 is an equidigital number, since it uses as much as digits as its factorization.

12046471406851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684834.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 12046471406851 in words is "twelve trillion, forty-six billion, four hundred seventy-one million, four hundred six thousand, eight hundred fifty-one".