12581356035134 has 16 divisors (see below), whose sum is σ = 19046707416000. Its totient is φ = 6232462869024.

The previous prime is 12581356035109. The next prime is 12581356035137. The reversal of 12581356035134 is 43153065318521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12581356035137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391067 + ... + 5031465.

It is an arithmetic number, because the mean of its divisors is an integer number (1190419213500).

Almost surely, 2^{12581356035134} is an apocalyptic number.

12581356035134 is a deficient number, since it is larger than the sum of its proper divisors (6465351380866).

12581356035134 is a wasteful number, since it uses less digits than its factorization.

12581356035134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4652947.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 12581356035134 in words is "twelve trillion, five hundred eighty-one billion, three hundred fifty-six million, thirty-five thousand, one hundred thirty-four".