12020013103 has 32 divisors (see below), whose sum is σ = 14329526400. Its totient is φ = 9868345344.

The previous prime is 12020013077. The next prime is 12020013163. The reversal of 12020013103 is 30131002021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12020013103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020013163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5923093 + ... + 5925121.

It is an arithmetic number, because the mean of its divisors is an integer number (447797700).

Almost surely, 2^12020013103 is an apocalyptic number.

12020013103 is a deficient number, since it is larger than the sum of its proper divisors (2309513297).

12020013103 is a wasteful number, since it uses less digits than its factorization.

12020013103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419.

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

Adding to 12020013103 its reverse (30131002021), we get a palindrome (42151015124).

The spelling of 12020013103 in words is "twelve billion, twenty million, thirteen thousand, one hundred three".