122212100011999 has 2 divisors, whose sum is σ = 122212100012000. Its totient is φ = 122212100011998.

The previous prime is 122212100011987. The next prime is 122212100012011. The reversal of 122212100011999 is 999110001212221.

It is a balanced prime because it is at equal distance from previous prime (122212100011987) and next prime (122212100012011).

It is a cyclic number.

It is not a de Polignac number, because 122212100011999 - 2¹⁵ = 122212099979231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122212100011979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61106050005999 + 61106050006000.

It is an arithmetic number, because the mean of its divisors is an integer number (61106050006000).

Almost surely, 2^{122212100011999} is an apocalyptic number.

122212100011999 is a deficient number, since it is larger than the sum of its proper divisors (1).

122212100011999 is an equidigital number, since it uses as much as digits as its factorization.

122212100011999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 40.

The spelling of 122212100011999 in words is "one hundred twenty-two trillion, two hundred twelve billion, one hundred million, eleven thousand, nine hundred ninety-nine".