12533470143 has 4 divisors (see below), whose sum is σ = 16711293528. Its totient is φ = 8355646760.

The previous prime is 12533470129. The next prime is 12533470151. The reversal of 12533470143 is 34107433521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12533470143 - 2¹⁰ = 12533469119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12533470163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2088911688 + ... + 2088911693.

It is an arithmetic number, because the mean of its divisors is an integer number (4177823382).

Almost surely, 2^12533470143 is an apocalyptic number.

12533470143 is a deficient number, since it is larger than the sum of its proper divisors (4177823385).

12533470143 is an equidigital number, since it uses as much as digits as its factorization.

12533470143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4177823384.

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 12533470143 in words is "twelve billion, five hundred thirty-three million, four hundred seventy thousand, one hundred forty-three".