12020235533 has 8 divisors (see below), whose sum is σ = 12147584736. Its totient is φ = 11893050000.

The previous prime is 12020235527. The next prime is 12020235581. The reversal of 12020235533 is 33553202021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12020235533 - 2⁴ = 12020235517 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 (12020235503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109658 + ... + 189908.

It is an arithmetic number, because the mean of its divisors is an integer number (1518448092).

Almost surely, 2^12020235533 is an apocalyptic number.

It is an amenable number.

12020235533 is a deficient number, since it is larger than the sum of its proper divisors (127349203).

12020235533 is a wasteful number, since it uses less digits than its factorization.

12020235533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81835.

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 12020235533 its reverse (33553202021), we get a palindrome (45573437554).

The spelling of 12020235533 in words is "twelve billion, twenty million, two hundred thirty-five thousand, five hundred thirty-three".