12020100003 has 32 divisors (see below), whose sum is σ = 18437140800. Its totient is φ = 7730553600.

The previous prime is 12020099999. The next prime is 12020100007. The reversal of 12020100003 is 30000102021.

It is a happy number.

12020100003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12020099999) and next prime (12020100007).

It is not a de Polignac number, because 12020100003 - 2² = 12020099999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (12020100007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1028533 + ... + 1040153.

It is an arithmetic number, because the mean of its divisors is an integer number (576160650).

Almost surely, 2^12020100003 is an apocalyptic number.

12020100003 is a deficient number, since it is larger than the sum of its proper divisors (6417040797).

12020100003 is a wasteful number, since it uses less digits than its factorization.

12020100003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12980 (or 12974 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 12020100003 its reverse (30000102021), we get a palindrome (42020202024).

The spelling of 12020100003 in words is "twelve billion, twenty million, one hundred thousand, three".