2012021203 has 2 divisors, whose sum is σ = 2012021204. Its totient is φ = 2012021202.

The previous prime is 2012021197. The next prime is 2012021227. The reversal of 2012021203 is 3021202102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2012021203 - 2⁵ = 2012021171 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012021243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006010601 + 1006010602.

It is an arithmetic number, because the mean of its divisors is an integer number (1006010602).

Almost surely, 2^2012021203 is an apocalyptic number.

2012021203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012021203 is an equidigital number, since it uses as much as digits as its factorization.

2012021203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2012021203 is about 44855.5593321497. The cubic root of 2012021203 is about 1262.4403036571.

Adding to 2012021203 its reverse (3021202102), we get a palindrome (5033223305).

The spelling of 2012021203 in words is "two billion, twelve million, twenty-one thousand, two hundred three".