12046345047 has 24 divisors (see below), whose sum is σ = 19038498960. Its totient is φ = 7279130880.

The previous prime is 12046345039. The next prime is 12046345081. The reversal of 12046345047 is 74054364021.

12046345047 is a `hidden beast` number, since 12 + 0 + 4 + 634 + 5 + 0 + 4 + 7 = 666.

It is not a de Polignac number, because 12046345047 - 2³ = 12046345039 is a prime.

It is a super-2 number, since 2×12046345047² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12046345007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147172 + ... + 213897.

It is an arithmetic number, because the mean of its divisors is an integer number (793270790).

Almost surely, 2^12046345047 is an apocalyptic number.

12046345047 is a deficient number, since it is larger than the sum of its proper divisors (6992153913).

12046345047 is a wasteful number, since it uses less digits than its factorization.

12046345047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361423 (or 361420 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 12046345047 in words is "twelve billion, forty-six million, three hundred forty-five thousand, forty-seven".