12861967054944 has 48 divisors (see below), whose sum is σ = 38585901166848. Its totient is φ = 3674847729792.

The previous prime is 12861967054927. The next prime is 12861967054957. The reversal of 12861967054944 is 44945076916821.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9569915292 + ... + 9569916635.

It is an arithmetic number, because the mean of its divisors is an integer number (803872940976).

Almost surely, 2^{12861967054944} is an apocalyptic number.

12861967054944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12861967054944 is an abundant number, since it is smaller than the sum of its proper divisors (25723934111904).

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

12861967054944 is a wasteful number, since it uses less digits than its factorization.

12861967054944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19139831947 (or 19139831939 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 66.

The spelling of 12861967054944 in words is "twelve trillion, eight hundred sixty-one billion, nine hundred sixty-seven million, fifty-four thousand, nine hundred forty-four".