12100022003 has 4 divisors (see below), whose sum is σ = 12101379768. Its totient is φ = 12098664240.

The previous prime is 12100021993. The next prime is 12100022057. The reversal of 12100022003 is 30022000121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30022000121 = 113 ⋅265681417.

It is a cyclic number.

It is not a de Polignac number, because 12100022003 - 2⁶ = 12100021939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12100022063) 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, 665426 + ... + 683367.

It is an arithmetic number, because the mean of its divisors is an integer number (3025344942).

Almost surely, 2^12100022003 is an apocalyptic number.

12100022003 is a deficient number, since it is larger than the sum of its proper divisors (1357765).

12100022003 is an equidigital number, since it uses as much as digits as its factorization.

12100022003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357764.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 12100022003 its reverse (30022000121), we get a palindrome (42122022124).

The spelling of 12100022003 in words is "twelve billion, one hundred million, twenty-two thousand, three".