12901678543 has 8 divisors (see below), whose sum is σ = 14373223200. Its totient is φ = 11498577888.

The previous prime is 12901678529. The next prime is 12901678561. The reversal of 12901678543 is 34587610921.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12901678543 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12901678493 and 12901678502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12901678043) 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, 17110603 + ... + 17111356.

It is an arithmetic number, because the mean of its divisors is an integer number (1796652900).

It is a 1-persistent number, because it is pandigital, but 2⋅12901678543 = 25803357086 is not.

Almost surely, 2^12901678543 is an apocalyptic number.

12901678543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12901678543 is a deficient number, since it is larger than the sum of its proper divisors (1471544657).

12901678543 is a wasteful number, since it uses less digits than its factorization.

12901678543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34222001.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 12901678543 in words is "twelve billion, nine hundred one million, six hundred seventy-eight thousand, five hundred forty-three".