212100100211239 has 2 divisors, whose sum is σ = 212100100211240. Its totient is φ = 212100100211238.

The previous prime is 212100100211099. The next prime is 212100100211249. The reversal of 212100100211239 is 932112001001212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212100100211239 - 2²³ = 212100091822631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212100100211249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050050105619 + 106050050105620.

It is an arithmetic number, because the mean of its divisors is an integer number (106050050105620).

Almost surely, 2^{212100100211239} is an apocalyptic number.

212100100211239 is a deficient number, since it is larger than the sum of its proper divisors (1).

212100100211239 is an equidigital number, since it uses as much as digits as its factorization.

212100100211239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 212100100211239 in words is "two hundred twelve trillion, one hundred billion, one hundred million, two hundred eleven thousand, two hundred thirty-nine".