212021203101047 has 2 divisors, whose sum is σ = 212021203101048. Its totient is φ = 212021203101046.

The previous prime is 212021203100947. The next prime is 212021203101121. The reversal of 212021203101047 is 740101302120212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212021203101047 - 2³⁶ = 211952483624311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212021203131047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010601550523 + 106010601550524.

It is an arithmetic number, because the mean of its divisors is an integer number (106010601550524).

Almost surely, 2^{212021203101047} is an apocalyptic number.

212021203101047 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021203101047 is an equidigital number, since it uses as much as digits as its factorization.

212021203101047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 212021203101047 its reverse (740101302120212), we get a palindrome (952122505221259).

The spelling of 212021203101047 in words is "two hundred twelve trillion, twenty-one billion, two hundred three million, one hundred one thousand, forty-seven".