202012120100039 has 2 divisors, whose sum is σ = 202012120100040. Its totient is φ = 202012120100038.

The previous prime is 202012120099991. The next prime is 202012120100041. The reversal of 202012120100039 is 930001021210202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202012120100039 is a prime.

Together with 202012120100041, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 202012120099987 and 202012120100023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202012125100039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101006060050019 + 101006060050020.

It is an arithmetic number, because the mean of its divisors is an integer number (101006060050020).

Almost surely, 2^{202012120100039} is an apocalyptic number.

202012120100039 is a deficient number, since it is larger than the sum of its proper divisors (1).

202012120100039 is an equidigital number, since it uses as much as digits as its factorization.

202012120100039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 202012120100039 in words is "two hundred two trillion, twelve billion, one hundred twenty million, one hundred thousand, thirty-nine".