12546744047108 has 48 divisors (see below), whose sum is σ = 23109317145600. Its totient is φ = 5952055253760.

The previous prime is 12546744047087. The next prime is 12546744047111. The reversal of 12546744047108 is 80174044764521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12546744047108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1205213 + ... + 5152283.

It is an arithmetic number, because the mean of its divisors is an integer number (481444107200).

Almost surely, 2^{12546744047108} is an apocalyptic number.

It is an amenable number.

12546744047108 is a deficient number, since it is larger than the sum of its proper divisors (10562573098492).

12546744047108 is a wasteful number, since it uses less digits than its factorization.

12546744047108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3947580 (or 3947578 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 53.

The spelling of 12546744047108 in words is "twelve trillion, five hundred forty-six billion, seven hundred forty-four million, forty-seven thousand, one hundred eight".