20002012210139 has 2 divisors, whose sum is σ = 20002012210140. Its totient is φ = 20002012210138.

The previous prime is 20002012210099. The next prime is 20002012210177. The reversal of 20002012210139 is 93101221020002.

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-20002012210139 is a prime.

It is not a weakly prime, because it can be changed into another prime (20002012210039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001006105069 + 10001006105070.

It is an arithmetic number, because the mean of its divisors is an integer number (10001006105070).

Almost surely, 2^{20002012210139} is an apocalyptic number.

20002012210139 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002012210139 is an equidigital number, since it uses as much as digits as its factorization.

20002012210139 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 20002012210139 in words is "twenty trillion, two billion, twelve million, two hundred ten thousand, one hundred thirty-nine".