10002120212239 has 2 divisors, whose sum is σ = 10002120212240. Its totient is φ = 10002120212238.

The previous prime is 10002120212209. The next prime is 10002120212243. The reversal of 10002120212239 is 93221202120001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10002120212239 - 2⁵ = 10002120212207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10002120212209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001060106119 + 5001060106120.

It is an arithmetic number, because the mean of its divisors is an integer number (5001060106120).

Almost surely, 2^{10002120212239} is an apocalyptic number.

10002120212239 is a deficient number, since it is larger than the sum of its proper divisors (1).

10002120212239 is an equidigital number, since it uses as much as digits as its factorization.

10002120212239 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 25.

The spelling of 10002120212239 in words is "ten trillion, two billion, one hundred twenty million, two hundred twelve thousand, two hundred thirty-nine".