12003534533 has 4 divisors (see below), whose sum is σ = 12007602348. Its totient is φ = 11999466720.

The previous prime is 12003534523. The next prime is 12003534547. The reversal of 12003534533 is 33543530021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3565642369 + 8437892164 = 59713^2 + 91858^2 .

It is a cyclic number.

It is not a de Polignac number, because 12003534533 - 2²⁴ = 11986757317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12003534496 and 12003534505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003534523) 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, 2029478 + ... + 2035383.

It is an arithmetic number, because the mean of its divisors is an integer number (3001900587).

Almost surely, 2^12003534533 is an apocalyptic number.

It is an amenable number.

12003534533 is a deficient number, since it is larger than the sum of its proper divisors (4067815).

12003534533 is an equidigital number, since it uses as much as digits as its factorization.

12003534533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067814.

The product of its (nonzero) digits is 16200, while the sum is 29.

The spelling of 12003534533 in words is "twelve billion, three million, five hundred thirty-four thousand, five hundred thirty-three".