12013103213021 has 8 divisors (see below), whose sum is σ = 12645452860320. Its totient is φ = 11380761671472.

The previous prime is 12013103213011. The next prime is 12013103213051. The reversal of 12013103213021 is 12031230131021.

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 12013103213021 - 2²² = 12013099018717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12013103212984 and 12013103213002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013103213011) 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, 1142771 + ... + 5033103.

It is an arithmetic number, because the mean of its divisors is an integer number (1580681607540).

Almost surely, 2^{12013103213021} is an apocalyptic number.

It is an amenable number.

12013103213021 is a deficient number, since it is larger than the sum of its proper divisors (632349647299).

12013103213021 is a wasteful number, since it uses less digits than its factorization.

12013103213021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4052875.

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

Adding to 12013103213021 its reverse (12031230131021), we get a palindrome (24044333344042).

The spelling of 12013103213021 in words is "twelve trillion, thirteen billion, one hundred three million, two hundred thirteen thousand, twenty-one".