12003311001021 has 8 divisors (see below), whose sum is σ = 16306384756320. Its totient is φ = 7851222289872.

The previous prime is 12003311001007. The next prime is 12003311001029. The reversal of 12003311001021 is 12010011330021.

It is a happy number.

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

It is not a de Polignac number, because 12003311001021 - 2⁷ = 12003311000893 is a prime.

It is a super-2 number, since 2×12003311001021² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003311001029) 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, 37746260851 + ... + 37746261168.

It is an arithmetic number, because the mean of its divisors is an integer number (2038298094540).

Almost surely, 2^{12003311001021} is an apocalyptic number.

It is an amenable number.

12003311001021 is a deficient number, since it is larger than the sum of its proper divisors (4303073755299).

12003311001021 is an equidigital number, since it uses as much as digits as its factorization.

12003311001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75492522075.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12003311001021 its reverse (12010011330021), we get a palindrome (24013322331042).

The spelling of 12003311001021 in words is "twelve trillion, three billion, three hundred eleven million, one thousand, twenty-one".