2012122110203 has 2 divisors, whose sum is σ = 2012122110204. Its totient is φ = 2012122110202.

The previous prime is 2012122110197. The next prime is 2012122110211. The reversal of 2012122110203 is 3020112212102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2012122110203 - 2¹⁴ = 2012122093819 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012122110223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006061055101 + 1006061055102.

It is an arithmetic number, because the mean of its divisors is an integer number (1006061055102).

Almost surely, 2^{2012122110203} is an apocalyptic number.

2012122110203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012122110203 is an equidigital number, since it uses as much as digits as its factorization.

2012122110203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2012122110203 its reverse (3020112212102), we get a palindrome (5032234322305).

The spelling of 2012122110203 in words is "two trillion, twelve billion, one hundred twenty-two million, one hundred ten thousand, two hundred three".