12021203203 has 2 divisors, whose sum is σ = 12021203204. Its totient is φ = 12021203202.

The previous prime is 12021203189. The next prime is 12021203231. The reversal of 12021203203 is 30230212021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12021203203 - 2⁹ = 12021202691 is a prime.

It is not a weakly prime, because it can be changed into another prime (12021203903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010601601 + 6010601602.

It is an arithmetic number, because the mean of its divisors is an integer number (6010601602).

Almost surely, 2^12021203203 is an apocalyptic number.

12021203203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021203203 is an equidigital number, since it uses as much as digits as its factorization.

12021203203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12021203203 its reverse (30230212021), we get a palindrome (42251415224).

The spelling of 12021203203 in words is "twelve billion, twenty-one million, two hundred three thousand, two hundred three".