12012122220103 has 4 divisors (see below), whose sum is σ = 12012129161928. Its totient is φ = 12012115278280.

The previous prime is 12012122220101. The next prime is 12012122220113. The reversal of 12012122220103 is 30102222121021.

12012122220103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12012122220103 - 2¹ = 12012122220101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012122220101) 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, 1454400 + ... + 5112682.

It is an arithmetic number, because the mean of its divisors is an integer number (3003032290482).

Almost surely, 2^{12012122220103} is an apocalyptic number.

12012122220103 is a deficient number, since it is larger than the sum of its proper divisors (6941825).

12012122220103 is an equidigital number, since it uses as much as digits as its factorization.

12012122220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6941824.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12012122220103 its reverse (30102222121021), we get a palindrome (42114344341124).

The spelling of 12012122220103 in words is "twelve trillion, twelve billion, one hundred twenty-two million, two hundred twenty thousand, one hundred three".