212100441430049 has 2 divisors, whose sum is σ = 212100441430050. Its totient is φ = 212100441430048.

The previous prime is 212100441429991. The next prime is 212100441430067. The reversal of 212100441430049 is 940034144001212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207594267729424 + 4506173700625 = 14408132^2 + 2122775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212100441430049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (212100441430849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050220715024 + 106050220715025.

It is an arithmetic number, because the mean of its divisors is an integer number (106050220715025).

Almost surely, 2^{212100441430049} is an apocalyptic number.

It is an amenable number.

212100441430049 is a deficient number, since it is larger than the sum of its proper divisors (1).

212100441430049 is an equidigital number, since it uses as much as digits as its factorization.

212100441430049 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 35.

The spelling of 212100441430049 in words is "two hundred twelve trillion, one hundred billion, four hundred forty-one million, four hundred thirty thousand, forty-nine".