12020021220133 has 16 divisors (see below), whose sum is σ = 12290774630400. Its totient is φ = 11752169310000.

The previous prime is 12020021220083. The next prime is 12020021220211. The reversal of 12020021220133 is 33102212002021.

It is a cyclic number.

It is not a de Polignac number, because 12020021220133 - 2²⁵ = 12019987665701 is a prime.

It is a super-2 number, since 2×12020021220133² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12020021220133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020021220733) 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, 20001168 + ... + 20593366.

It is an arithmetic number, because the mean of its divisors is an integer number (768173414400).

Almost surely, 2^{12020021220133} is an apocalyptic number.

It is an amenable number.

12020021220133 is a deficient number, since it is larger than the sum of its proper divisors (270753410267).

12020021220133 is a wasteful number, since it uses less digits than its factorization.

12020021220133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594648.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12020021220133 its reverse (33102212002021), we get a palindrome (45122233222154).

The spelling of 12020021220133 in words is "twelve trillion, twenty billion, twenty-one million, two hundred twenty thousand, one hundred thirty-three".