12122121203 has 2 divisors, whose sum is σ = 12122121204. Its totient is φ = 12122121202.

The previous prime is 12122121169. The next prime is 12122121233. The reversal of 12122121203 is 30212122121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12122121203 - 2¹⁶ = 12122055667 is a prime.

It is not a weakly prime, because it can be changed into another prime (12122121233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061060601 + 6061060602.

It is an arithmetic number, because the mean of its divisors is an integer number (6061060602).

Almost surely, 2^12122121203 is an apocalyptic number.

12122121203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122121203 is an equidigital number, since it uses as much as digits as its factorization.

12122121203 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 12122121203 its reverse (30212122121), we get a palindrome (42334243324).

The spelling of 12122121203 in words is "twelve billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred three".