12002020039 has 2 divisors, whose sum is σ = 12002020040. Its totient is φ = 12002020038.

The previous prime is 12002020013. The next prime is 12002020049. The reversal of 12002020039 is 93002020021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12002020039 - 2⁵ = 12002020007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12002019998 and 12002020025.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12002020049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001010019 + 6001010020.

It is an arithmetic number, because the mean of its divisors is an integer number (6001010020).

Almost surely, 2^12002020039 is an apocalyptic number.

12002020039 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002020039 is an equidigital number, since it uses as much as digits as its factorization.

12002020039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The spelling of 12002020039 in words is "twelve billion, two million, twenty thousand, thirty-nine".