12012012103 has 32 divisors (see below), whose sum is σ = 15009103872. Its totient is φ = 9359712000.

The previous prime is 12012012083. The next prime is 12012012151. The reversal of 12012012103 is 30121021021.

It is a cyclic number.

It is not a de Polignac number, because 12012012103 - 2⁹ = 12012011591 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012012163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7645308 + ... + 7646878.

It is an arithmetic number, because the mean of its divisors is an integer number (469034496).

Almost surely, 2^12012012103 is an apocalyptic number.

12012012103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12012012103 is a deficient number, since it is larger than the sum of its proper divisors (2997091769).

12012012103 is a wasteful number, since it uses less digits than its factorization.

12012012103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12012012103 its reverse (30121021021), we get a palindrome (42133033124).

The spelling of 12012012103 in words is "twelve billion, twelve million, twelve thousand, one hundred three".