12140851541546 has 96 divisors (see below), whose sum is σ = 24900253141248. Its totient is φ = 4323904865280.

The previous prime is 12140851541459. The next prime is 12140851541549. The reversal of 12140851541546 is 64514515804121.

It is a self number, because there is not a number n which added to its sum of digits gives 12140851541546.

It is not an unprimeable number, because it can be changed into a prime (12140851541549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5636765 + ... + 7486976.

It is an arithmetic number, because the mean of its divisors is an integer number (259377636888).

Almost surely, 2^{12140851541546} is an apocalyptic number.

12140851541546 is an abundant number, since it is smaller than the sum of its proper divisors (12759401599702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12140851541546 is a wasteful number, since it uses less digits than its factorization.

12140851541546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13123816 (or 13123803 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 47.

The spelling of 12140851541546 in words is "twelve trillion, one hundred forty billion, eight hundred fifty-one million, five hundred forty-one thousand, five hundred forty-six".