12013533033 has 4 divisors (see below), whose sum is σ = 16018044048. Its totient is φ = 8009022020.

The previous prime is 12013533019. The next prime is 12013533043. The reversal of 12013533033 is 33033531021.

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 12013533033 - 2⁵ = 12013533001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12013532994 and 12013533012.

It is not an unprimeable number, because it can be changed into a prime (12013533043) 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, 2002255503 + ... + 2002255508.

It is an arithmetic number, because the mean of its divisors is an integer number (4004511012).

Almost surely, 2^12013533033 is an apocalyptic number.

It is an amenable number.

12013533033 is a deficient number, since it is larger than the sum of its proper divisors (4004511015).

12013533033 is an equidigital number, since it uses as much as digits as its factorization.

12013533033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4004511014.

The product of its (nonzero) digits is 2430, while the sum is 24.

The spelling of 12013533033 in words is "twelve billion, thirteen million, five hundred thirty-three thousand, thirty-three".