12100219871 has 2 divisors, whose sum is σ = 12100219872. Its totient is φ = 12100219870.

The previous prime is 12100219867. The next prime is 12100219913. The reversal of 12100219871 is 17891200121.

It is a weak prime.

It is an emirp because it is prime and its reverse (17891200121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12100219871 - 2² = 12100219867 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12100219841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050109935 + 6050109936.

It is an arithmetic number, because the mean of its divisors is an integer number (6050109936).

Almost surely, 2^12100219871 is an apocalyptic number.

12100219871 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100219871 is an equidigital number, since it uses as much as digits as its factorization.

12100219871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 32.

Adding to 12100219871 its reverse (17891200121), we get a palindrome (29991419992).

The spelling of 12100219871 in words is "twelve billion, one hundred million, two hundred nineteen thousand, eight hundred seventy-one".