12042026533 has 4 divisors (see below), whose sum is σ = 12565592928. Its totient is φ = 11518460140.

The previous prime is 12042026527. The next prime is 12042026543. The reversal of 12042026533 is 33562024021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12042026533 - 2⁵ = 12042026501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042026543) 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, 261783163 + ... + 261783208.

It is an arithmetic number, because the mean of its divisors is an integer number (3141398232).

Almost surely, 2^12042026533 is an apocalyptic number.

It is an amenable number.

12042026533 is a deficient number, since it is larger than the sum of its proper divisors (523566395).

12042026533 is an equidigital number, since it uses as much as digits as its factorization.

12042026533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523566394.

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 12042026533 in words is "twelve billion, forty-two million, twenty-six thousand, five hundred thirty-three".