12020020219993 has 2 divisors, whose sum is σ = 12020020219994. Its totient is φ = 12020020219992.

The previous prime is 12020020219939. The next prime is 12020020220003. The reversal of 12020020219993 is 39991202002021.

Together with previous prime (12020020219939) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7821570043849 + 4198450176144 = 2796707^2 + 2049012^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12020020219993 is a prime.

It is not a weakly prime, because it can be changed into another prime (12020020219903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010010109996 + 6010010109997.

It is an arithmetic number, because the mean of its divisors is an integer number (6010010109997).

Almost surely, 2^{12020020219993} is an apocalyptic number.

It is an amenable number.

12020020219993 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020020219993 is an equidigital number, since it uses as much as digits as its factorization.

12020020219993 is an evil number, because the sum of its binary digits is even.

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

The spelling of 12020020219993 in words is "twelve trillion, twenty billion, twenty million, two hundred nineteen thousand, nine hundred ninety-three".