12020020219939 has 2 divisors, whose sum is σ = 12020020219940. Its totient is φ = 12020020219938.

The previous prime is 12020020219937. The next prime is 12020020219993. The reversal of 12020020219939 is 93991202002021.

Together with next prime (12020020219993) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12020020219939 - 2¹ = 12020020219937 is a prime.

Together with 12020020219937, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12020020219937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010010109969 + 6010010109970.

It is an arithmetic number, because the mean of its divisors is an integer number (6010010109970).

Almost surely, 2^{12020020219939} is an apocalyptic number.

12020020219939 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020020219939 is an equidigital number, since it uses as much as digits as its factorization.

12020020219939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 12020020219939 in words is "twelve trillion, twenty billion, twenty million, two hundred nineteen thousand, nine hundred thirty-nine".