12120002100003 has 16 divisors (see below), whose sum is σ = 18647881181696. Its totient is φ = 6858475528320.

The previous prime is 12120002099957. The next prime is 12120002100083. The reversal of 12120002100003 is 30000120002121.

It is not a de Polignac number, because 12120002100003 - 2⁶ = 12120002099939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120002100083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2801662678 + ... + 2801667003.

It is an arithmetic number, because the mean of its divisors is an integer number (1165492573856).

Almost surely, 2^{12120002100003} is an apocalyptic number.

12120002100003 is a deficient number, since it is larger than the sum of its proper divisors (6527879081693).

12120002100003 is a wasteful number, since it uses less digits than its factorization.

12120002100003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5603329794.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12120002100003 its reverse (30000120002121), we get a palindrome (42120122102124).

The spelling of 12120002100003 in words is "twelve trillion, one hundred twenty billion, two million, one hundred thousand, three".