12103213127 has 2 divisors, whose sum is σ = 12103213128. Its totient is φ = 12103213126.

The previous prime is 12103213081. The next prime is 12103213141. The reversal of 12103213127 is 72131230121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12103213127 - 2⁶ = 12103213063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12103213147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051606563 + 6051606564.

It is an arithmetic number, because the mean of its divisors is an integer number (6051606564).

Almost surely, 2^12103213127 is an apocalyptic number.

12103213127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103213127 is an equidigital number, since it uses as much as digits as its factorization.

12103213127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 12103213127 its reverse (72131230121), we get a palindrome (84234443248).

The spelling of 12103213127 in words is "twelve billion, one hundred three million, two hundred thirteen thousand, one hundred twenty-seven".