212054356841 has 2 divisors, whose sum is σ = 212054356842. Its totient is φ = 212054356840.

The previous prime is 212054356763. The next prime is 212054356861. The reversal of 212054356841 is 148653450212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125149675225 + 86904681616 = 353765^2 + 294796^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212054356841 is a prime.

It is not a weakly prime, because it can be changed into another prime (212054356861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106027178420 + 106027178421.

It is an arithmetic number, because the mean of its divisors is an integer number (106027178421).

Almost surely, 2^212054356841 is an apocalyptic number.

It is an amenable number.

212054356841 is a deficient number, since it is larger than the sum of its proper divisors (1).

212054356841 is an equidigital number, since it uses as much as digits as its factorization.

212054356841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 212054356841 in words is "two hundred twelve billion, fifty-four million, three hundred fifty-six thousand, eight hundred forty-one".