212002120039 has 2 divisors, whose sum is σ = 212002120040. Its totient is φ = 212002120038.

The previous prime is 212002120037. The next prime is 212002120069. The reversal of 212002120039 is 930021200212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212002120039 - 2¹ = 212002120037 is a prime.

Together with 212002120037, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212002120037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106001060019 + 106001060020.

It is an arithmetic number, because the mean of its divisors is an integer number (106001060020).

Almost surely, 2^212002120039 is an apocalyptic number.

212002120039 is a deficient number, since it is larger than the sum of its proper divisors (1).

212002120039 is an equidigital number, since it uses as much as digits as its factorization.

212002120039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 212002120039 in words is "two hundred twelve billion, two million, one hundred twenty thousand, thirty-nine".