12102420103 has 2 divisors, whose sum is σ = 12102420104. Its totient is φ = 12102420102.

The previous prime is 12102420073. The next prime is 12102420107. The reversal of 12102420103 is 30102420121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12102420103 - 2⁹ = 12102419591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12102420107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051210051 + 6051210052.

It is an arithmetic number, because the mean of its divisors is an integer number (6051210052).

Almost surely, 2^12102420103 is an apocalyptic number.

12102420103 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102420103 is an equidigital number, since it uses as much as digits as its factorization.

12102420103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12102420103 its reverse (30102420121), we get a palindrome (42204840224).

The spelling of 12102420103 in words is "twelve billion, one hundred two million, four hundred twenty thousand, one hundred three".