12030021103211 has 8 divisors (see below), whose sum is σ = 12293210380800. Its totient is φ = 11767133133288.

The previous prime is 12030021103207. The next prime is 12030021103229. The reversal of 12030021103211 is 11230112003021.

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 12030021103211 - 2² = 12030021103207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12030021103211.

It is not an unprimeable number, because it can be changed into a prime (12030021103231) 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, 75246191 + ... + 75405896.

It is an arithmetic number, because the mean of its divisors is an integer number (1536651297600).

Almost surely, 2^{12030021103211} is an apocalyptic number.

12030021103211 is a deficient number, since it is larger than the sum of its proper divisors (263189277589).

12030021103211 is a wasteful number, since it uses less digits than its factorization.

12030021103211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150653833.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12030021103211 its reverse (11230112003021), we get a palindrome (23260133106232).

The spelling of 12030021103211 in words is "twelve trillion, thirty billion, twenty-one million, one hundred three thousand, two hundred eleven".