12003030302221 has 64 divisors (see below), whose sum is σ = 15554135185920. Its totient is φ = 9014755368960.

The previous prime is 12003030302189. The next prime is 12003030302233. The reversal of 12003030302221 is 12220303030021.

It is a cyclic number.

It is not a de Polignac number, because 12003030302221 - 2⁵ = 12003030302189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003030302321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 151259671 + ... + 151339003.

It is an arithmetic number, because the mean of its divisors is an integer number (243033362280).

Almost surely, 2^{12003030302221} is an apocalyptic number.

It is an amenable number.

12003030302221 is a deficient number, since it is larger than the sum of its proper divisors (3551104883699).

12003030302221 is a wasteful number, since it uses less digits than its factorization.

12003030302221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80534.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12003030302221 its reverse (12220303030021), we get a palindrome (24223333332242).

The spelling of 12003030302221 in words is "twelve trillion, three billion, thirty million, three hundred two thousand, two hundred twenty-one".