12100219847 has 2 divisors, whose sum is σ = 12100219848. Its totient is φ = 12100219846.

The previous prime is 12100219843. The next prime is 12100219861. The reversal of 12100219847 is 74891200121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12100219847 - 2² = 12100219843 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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050109923 + 6050109924.

It is an arithmetic number, because the mean of its divisors is an integer number (6050109924).

Almost surely, 2^12100219847 is an apocalyptic number.

12100219847 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100219847 is an equidigital number, since it uses as much as digits as its factorization.

12100219847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 35.

Adding to 12100219847 its reverse (74891200121), we get a palindrome (86991419968).

The spelling of 12100219847 in words is "twelve billion, one hundred million, two hundred nineteen thousand, eight hundred forty-seven".