12002021133 has 16 divisors (see below), whose sum is σ = 16309339200. Its totient is φ = 7848615680.

The previous prime is 12002021123. The next prime is 12002021149. The reversal of 12002021133 is 33112020021.

It is a cyclic number.

It is not a de Polignac number, because 12002021133 - 2⁴ = 12002021117 is a prime.

It is a super-2 number, since 2×12002021133² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002021123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8053 + ... + 155141.

It is an arithmetic number, because the mean of its divisors is an integer number (1019333700).

Almost surely, 2^12002021133 is an apocalyptic number.

It is an amenable number.

12002021133 is a deficient number, since it is larger than the sum of its proper divisors (4307318067).

12002021133 is a wasteful number, since it uses less digits than its factorization.

12002021133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147612.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12002021133 its reverse (33112020021), we get a palindrome (45114041154).

The spelling of 12002021133 in words is "twelve billion, two million, twenty-one thousand, one hundred thirty-three".