212222212118149 has 2 divisors, whose sum is σ = 212222212118150. Its totient is φ = 212222212118148.

The previous prime is 212222212118141. The next prime is 212222212118179. The reversal of 212222212118149 is 941811212222212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111084896661124 + 101137315457025 = 10539682^2 + 10056705^2 .

It is a cyclic number.

It is not a de Polignac number, because 212222212118149 - 2³ = 212222212118141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212222212118141) 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, 106111106059074 + 106111106059075.

It is an arithmetic number, because the mean of its divisors is an integer number (106111106059075).

Almost surely, 2^{212222212118149} is an apocalyptic number.

It is an amenable number.

212222212118149 is a deficient number, since it is larger than the sum of its proper divisors (1).

212222212118149 is an equidigital number, since it uses as much as digits as its factorization.

212222212118149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36864, while the sum is 40.

The spelling of 212222212118149 in words is "two hundred twelve trillion, two hundred twenty-two billion, two hundred twelve million, one hundred eighteen thousand, one hundred forty-nine".