12120203203 has 2 divisors, whose sum is σ = 12120203204. Its totient is φ = 12120203202.

The previous prime is 12120203143. The next prime is 12120203231. The reversal of 12120203203 is 30230202121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12120203203 - 2¹⁷ = 12120072131 is a prime.

It is a super-2 number, since 2×12120203203² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12120203003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060101601 + 6060101602.

It is an arithmetic number, because the mean of its divisors is an integer number (6060101602).

Almost surely, 2^12120203203 is an apocalyptic number.

12120203203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120203203 is an equidigital number, since it uses as much as digits as its factorization.

12120203203 is an evil number, because the sum of its binary digits is even.

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

Adding to 12120203203 its reverse (30230202121), we get a palindrome (42350405324).

The spelling of 12120203203 in words is "twelve billion, one hundred twenty million, two hundred three thousand, two hundred three".