212224044293 has 2 divisors, whose sum is σ = 212224044294. Its totient is φ = 212224044292.

The previous prime is 212224044217. The next prime is 212224044299. The reversal of 212224044293 is 392440422212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191474506084 + 20749538209 = 437578^2 + 144047^2 .

It is a cyclic number.

It is not a de Polignac number, because 212224044293 - 2⁸ = 212224044037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212224044299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106112022146 + 106112022147.

It is an arithmetic number, because the mean of its divisors is an integer number (106112022147).

Almost surely, 2^212224044293 is an apocalyptic number.

It is an amenable number.

212224044293 is a deficient number, since it is larger than the sum of its proper divisors (1).

212224044293 is an equidigital number, since it uses as much as digits as its factorization.

212224044293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 212224044293 in words is "two hundred twelve billion, two hundred twenty-four million, forty-four thousand, two hundred ninety-three".