212244881741 has 2 divisors, whose sum is σ = 212244881742. Its totient is φ = 212244881740.

The previous prime is 212244881713. The next prime is 212244881801. The reversal of 212244881741 is 147188442212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178159968100 + 34084913641 = 422090^2 + 184621^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212244881741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212244881692 and 212244881701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212244881341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106122440870 + 106122440871.

It is an arithmetic number, because the mean of its divisors is an integer number (106122440871).

Almost surely, 2^212244881741 is an apocalyptic number.

It is an amenable number.

212244881741 is a deficient number, since it is larger than the sum of its proper divisors (1).

212244881741 is an equidigital number, since it uses as much as digits as its factorization.

212244881741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 229376, while the sum is 44.

The spelling of 212244881741 in words is "two hundred twelve billion, two hundred forty-four million, eight hundred eighty-one thousand, seven hundred forty-one".