20001210119999 has 2 divisors, whose sum is σ = 20001210120000. Its totient is φ = 20001210119998.

The previous prime is 20001210119977. The next prime is 20001210120077. The reversal of 20001210119999 is 99991101210002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20001210119999 - 2⁸ = 20001210119743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20001210119399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000605059999 + 10000605060000.

It is an arithmetic number, because the mean of its divisors is an integer number (10000605060000).

Almost surely, 2^{20001210119999} is an apocalyptic number.

20001210119999 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001210119999 is an equidigital number, since it uses as much as digits as its factorization.

20001210119999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 44.

The spelling of 20001210119999 in words is "twenty trillion, one billion, two hundred ten million, one hundred nineteen thousand, nine hundred ninety-nine".