212102011122047 has 2 divisors, whose sum is σ = 212102011122048. Its totient is φ = 212102011122046.

The previous prime is 212102011121989. The next prime is 212102011122119. The reversal of 212102011122047 is 740221110201212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212102011122047 - 2³⁰ = 212100937380223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212102011122347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106051005561023 + 106051005561024.

It is an arithmetic number, because the mean of its divisors is an integer number (106051005561024).

Almost surely, 2^{212102011122047} is an apocalyptic number.

212102011122047 is a deficient number, since it is larger than the sum of its proper divisors (1).

212102011122047 is an equidigital number, since it uses as much as digits as its factorization.

212102011122047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 212102011122047 its reverse (740221110201212), we get a palindrome (952323121323259).

The spelling of 212102011122047 in words is "two hundred twelve trillion, one hundred two billion, eleven million, one hundred twenty-two thousand, forty-seven".