12120110003 has 4 divisors (see below), whose sum is σ = 12192685680. Its totient is φ = 12047534328.

The previous prime is 12120109961. The next prime is 12120110027. The reversal of 12120110003 is 30001102121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12120110003 - 2¹⁴ = 12120093619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120110053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36287588 + ... + 36287921.

It is an arithmetic number, because the mean of its divisors is an integer number (3048171420).

Almost surely, 2^12120110003 is an apocalyptic number.

12120110003 is a deficient number, since it is larger than the sum of its proper divisors (72575677).

12120110003 is an equidigital number, since it uses as much as digits as its factorization.

12120110003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72575676.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12120110003 its reverse (30001102121), we get a palindrome (42121212124).

The spelling of 12120110003 in words is "twelve billion, one hundred twenty million, one hundred ten thousand, three".