12001133132021 has 8 divisors (see below), whose sum is σ = 13092176988000. Its totient is φ = 10910094568240.

The previous prime is 12001133131973. The next prime is 12001133132041. The reversal of 12001133132021 is 12023133110021.

It is a happy number.

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 12001133132021 - 2⁶ = 12001133131957 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12001133131984 and 12001133132002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001133132041) 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, 4553330 + ... + 6688428.

It is an arithmetic number, because the mean of its divisors is an integer number (1636522123500).

Almost surely, 2^{12001133132021} is an apocalyptic number.

12001133132021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12001133132021 is a deficient number, since it is larger than the sum of its proper divisors (1091043855979).

12001133132021 is a wasteful number, since it uses less digits than its factorization.

12001133132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646099.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12001133132021 its reverse (12023133110021), we get a palindrome (24024266242042).

The spelling of 12001133132021 in words is "twelve trillion, one billion, one hundred thirty-three million, one hundred thirty-two thousand, twenty-one".