12143543513451 has 24 divisors (see below), whose sum is σ = 19529624404224. Its totient is φ = 6573948364080.

The previous prime is 12143543513333. The next prime is 12143543513467. The reversal of 12143543513451 is 15431534534121.

It is not a de Polignac number, because 12143543513451 - 2²⁵ = 12143509959019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12143543514451) 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 23 ways as a sum of consecutive naturals, for example, 800912055 + ... + 800927216.

It is an arithmetic number, because the mean of its divisors is an integer number (813734350176).

Almost surely, 2^{12143543513451} is an apocalyptic number.

12143543513451 is a deficient number, since it is larger than the sum of its proper divisors (7386080890773).

12143543513451 is a wasteful number, since it uses less digits than its factorization.

12143543513451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601839319 (or 1601839300 counting only the distinct ones).

The product of its digits is 432000, while the sum is 42.

The spelling of 12143543513451 in words is "twelve trillion, one hundred forty-three billion, five hundred forty-three million, five hundred thirteen thousand, four hundred fifty-one".