12033155133021 has 32 divisors (see below), whose sum is σ = 18125593339392. Its totient is φ = 7037398791360.

The previous prime is 12033155133007. The next prime is 12033155133073.

12033155133021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12033155133021 - 2¹⁰ = 12033155131997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12033155133021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12033155131021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50966710 + ... + 51202263.

It is an arithmetic number, because the mean of its divisors is an integer number (566424791856).

Almost surely, 2^{12033155133021} is an apocalyptic number.

12033155133021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12033155133021 is a deficient number, since it is larger than the sum of its proper divisors (6092438206371).

12033155133021 is a wasteful number, since it uses less digits than its factorization.

12033155133021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102169113.

The product of its (nonzero) digits is 8100, while the sum is 30.

It can be divided in two parts, 1203315 and 5133021, that added together give a palindrome (6336336).

The spelling of 12033155133021 in words is "twelve trillion, thirty-three billion, one hundred fifty-five million, one hundred thirty-three thousand, twenty-one".