12030021103 has 8 divisors (see below), whose sum is σ = 12077103456. Its totient is φ = 11982969600.

The previous prime is 12030021089. The next prime is 12030021127. The reversal of 12030021103 is 30112003021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12030021103 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 (12030021163) 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, 1051150 + ... + 1062532.

It is an arithmetic number, because the mean of its divisors is an integer number (1509637932).

Almost surely, 2^12030021103 is an apocalyptic number.

12030021103 is a deficient number, since it is larger than the sum of its proper divisors (47082353).

12030021103 is a wasteful number, since it uses less digits than its factorization.

12030021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15425.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12030021103 its reverse (30112003021), we get a palindrome (42142024124).

The spelling of 12030021103 in words is "twelve billion, thirty million, twenty-one thousand, one hundred three".