12030453351221 has 8 divisors (see below), whose sum is σ = 12109969644480. Its totient is φ = 11951073803392.

The previous prime is 12030453351181. The next prime is 12030453351263. The reversal of 12030453351221 is 12215335403021.

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 12030453351221 - 2³⁰ = 12029379609397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030453351121) 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, 34009820 + ... + 34361733.

It is an arithmetic number, because the mean of its divisors is an integer number (1513746205560).

Almost surely, 2^{12030453351221} is an apocalyptic number.

It is an amenable number.

12030453351221 is a deficient number, since it is larger than the sum of its proper divisors (79516293259).

12030453351221 is an equidigital number, since it uses as much as digits as its factorization.

12030453351221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68372715.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 12030453351221 its reverse (12215335403021), we get a palindrome (24245788754242).

The spelling of 12030453351221 in words is "twelve trillion, thirty billion, four hundred fifty-three million, three hundred fifty-one thousand, two hundred twenty-one".