212000128006049 has 2 divisors, whose sum is σ = 212000128006050. Its totient is φ = 212000128006048.

The previous prime is 212000128006001. The next prime is 212000128006157. The reversal of 212000128006049 is 940600821000212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111703908966049 + 100296219040000 = 10569007^2 + 10014800^2 .

It is a cyclic number.

It is not a de Polignac number, because 212000128006049 - 2²⁴ = 212000111228833 is a prime.

It is not a weakly prime, because it can be changed into another prime (212000128036049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000064003024 + 106000064003025.

It is an arithmetic number, because the mean of its divisors is an integer number (106000064003025).

Almost surely, 2^{212000128006049} is an apocalyptic number.

It is an amenable number.

212000128006049 is a deficient number, since it is larger than the sum of its proper divisors (1).

212000128006049 is an equidigital number, since it uses as much as digits as its factorization.

212000128006049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 212000128006049 in words is "two hundred twelve trillion, one hundred twenty-eight million, six thousand, forty-nine".