42012103103 has 2 divisors, whose sum is σ = 42012103104. Its totient is φ = 42012103102.

The previous prime is 42012103093. The next prime is 42012103121. The reversal of 42012103103 is 30130121024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42012103103 - 2¹⁴ = 42012086719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42012103703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21006051551 + 21006051552.

It is an arithmetic number, because the mean of its divisors is an integer number (21006051552).

Almost surely, 2^42012103103 is an apocalyptic number.

42012103103 is a deficient number, since it is larger than the sum of its proper divisors (1).

42012103103 is an equidigital number, since it uses as much as digits as its factorization.

42012103103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 42012103103 its reverse (30130121024), we get a palindrome (72142224127).

The spelling of 42012103103 in words is "forty-two billion, twelve million, one hundred three thousand, one hundred three".