12020021203 has 2 divisors, whose sum is σ = 12020021204. Its totient is φ = 12020021202.

The previous prime is 12020021201. The next prime is 12020021231. The reversal of 12020021203 is 30212002021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12020021203 - 2¹ = 12020021201 is a prime.

Together with 12020021201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12020021201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010010601 + 6010010602.

It is an arithmetic number, because the mean of its divisors is an integer number (6010010602).

Almost surely, 2^12020021203 is an apocalyptic number.

12020021203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020021203 is an equidigital number, since it uses as much as digits as its factorization.

12020021203 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12020021203 its reverse (30212002021), we get a palindrome (42232023224).

The spelling of 12020021203 in words is "twelve billion, twenty million, twenty-one thousand, two hundred three".