20011210000039 has 2 divisors, whose sum is σ = 20011210000040. Its totient is φ = 20011210000038.

The previous prime is 20011209999961. The next prime is 20011210000043. The reversal of 20011210000039 is 93000001211002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20011210000039 - 2²⁹ = 20010673129127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20011209999980 and 20011210000025.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20011210000139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005605000019 + 10005605000020.

It is an arithmetic number, because the mean of its divisors is an integer number (10005605000020).

Almost surely, 2^{20011210000039} is an apocalyptic number.

20011210000039 is a deficient number, since it is larger than the sum of its proper divisors (1).

20011210000039 is an equidigital number, since it uses as much as digits as its factorization.

20011210000039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The spelling of 20011210000039 in words is "twenty trillion, eleven billion, two hundred ten million, thirty-nine", and thus it is an aban number.