212224043149 has 2 divisors, whose sum is σ = 212224043150. Its totient is φ = 212224043148.

The previous prime is 212224043027. The next prime is 212224043183. The reversal of 212224043149 is 941340422212.

It is an a-pointer prime, because the next prime (212224043183) can be obtained adding 212224043149 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187831226025 + 24392817124 = 433395^2 + 156182^2 .

It is a cyclic number.

It is not a de Polignac number, because 212224043149 - 2⁹ = 212224042637 is a prime.

It is a super-2 number, since 2×212224043149² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212224043849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106112021574 + 106112021575.

It is an arithmetic number, because the mean of its divisors is an integer number (106112021575).

Almost surely, 2^212224043149 is an apocalyptic number.

It is an amenable number.

212224043149 is a deficient number, since it is larger than the sum of its proper divisors (1).

212224043149 is an equidigital number, since it uses as much as digits as its factorization.

212224043149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 212224043149 in words is "two hundred twelve billion, two hundred twenty-four million, forty-three thousand, one hundred forty-nine".