212021102010239 has 2 divisors, whose sum is σ = 212021102010240. Its totient is φ = 212021102010238.

The previous prime is 212021102010203. The next prime is 212021102010253. The reversal of 212021102010239 is 932010201120212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212021102010239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212021102010139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010551005119 + 106010551005120.

It is an arithmetic number, because the mean of its divisors is an integer number (106010551005120).

Almost surely, 2^{212021102010239} is an apocalyptic number.

212021102010239 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021102010239 is an equidigital number, since it uses as much as digits as its factorization.

212021102010239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 212021102010239 in words is "two hundred twelve trillion, twenty-one billion, one hundred two million, ten thousand, two hundred thirty-nine".