12434554143 has 24 divisors (see below), whose sum is σ = 19614681216. Its totient is φ = 7528078800.

The previous prime is 12434554133. The next prime is 12434554151. The reversal of 12434554143 is 34145543421.

12434554143 is a `hidden beast` number, since 124 + 3 + 455 + 41 + 43 = 666.

It is not a de Polignac number, because 12434554143 - 2⁹ = 12434553631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12434554098 and 12434554107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12434554133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27438 + ... + 160068.

It is an arithmetic number, because the mean of its divisors is an integer number (817278384).

Almost surely, 2^12434554143 is an apocalyptic number.

12434554143 is a deficient number, since it is larger than the sum of its proper divisors (7180127073).

12434554143 is a wasteful number, since it uses less digits than its factorization.

12434554143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133595 (or 133592 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The spelling of 12434554143 in words is "twelve billion, four hundred thirty-four million, five hundred fifty-four thousand, one hundred forty-three".