12046187845 has 8 divisors (see below), whose sum is σ = 15305744664. Its totient is φ = 9070070784.

The previous prime is 12046187837. The next prime is 12046187849. The reversal of 12046187845 is 54878164021.

It can be written as a sum of positive squares in 4 ways, for example, as 6823090404 + 5223097441 = 82602^2 + 72271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12046187845 - 2³ = 12046187837 is a prime.

It is a super-2 number, since 2×12046187845² (a number of 21 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 = 12046187795 and 12046187804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12046187849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70859844 + ... + 70860013.

It is an arithmetic number, because the mean of its divisors is an integer number (1913218083).

Almost surely, 2^12046187845 is an apocalyptic number.

It is an amenable number.

12046187845 is a deficient number, since it is larger than the sum of its proper divisors (3259556819).

12046187845 is a wasteful number, since it uses less digits than its factorization.

12046187845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141719879.

The product of its (nonzero) digits is 430080, while the sum is 46.

The spelling of 12046187845 in words is "twelve billion, forty-six million, one hundred eighty-seven thousand, eight hundred forty-five".