101212100219999 has 2 divisors, whose sum is σ = 101212100220000. Its totient is φ = 101212100219998.

The previous prime is 101212100219969. The next prime is 101212100220001. The reversal of 101212100219999 is 999912001212101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101212100219999 - 2¹² = 101212100215903 is a prime.

Together with 101212100220001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101212100219969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50606050109999 + 50606050110000.

It is an arithmetic number, because the mean of its divisors is an integer number (50606050110000).

Almost surely, 2^{101212100219999} is an apocalyptic number.

101212100219999 is a deficient number, since it is larger than the sum of its proper divisors (1).

101212100219999 is an equidigital number, since it uses as much as digits as its factorization.

101212100219999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 47.

The spelling of 101212100219999 in words is "one hundred one trillion, two hundred twelve billion, one hundred million, two hundred nineteen thousand, nine hundred ninety-nine".