20001210112003 has 2 divisors, whose sum is σ = 20001210112004. Its totient is φ = 20001210112002.

The previous prime is 20001210111997. The next prime is 20001210112031. The reversal of 20001210112003 is 30021101210002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20001210112003 - 2⁴¹ = 17802186856451 is a prime.

It is not a weakly prime, because it can be changed into another prime (20001210112043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000605056001 + 10000605056002.

It is an arithmetic number, because the mean of its divisors is an integer number (10000605056002).

Almost surely, 2^{20001210112003} is an apocalyptic number.

20001210112003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001210112003 is an equidigital number, since it uses as much as digits as its factorization.

20001210112003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20001210112003 its reverse (30021101210002), we get a palindrome (50022311322005).

The spelling of 20001210112003 in words is "twenty trillion, one billion, two hundred ten million, one hundred twelve thousand, three".