12121424334203 has 2 divisors, whose sum is σ = 12121424334204. Its totient is φ = 12121424334202.

The previous prime is 12121424334197. The next prime is 12121424334211. The reversal of 12121424334203 is 30243342412121.

It is a happy number.

12121424334203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12121424334203 - 2³⁰ = 12120350592379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12121424334203.

It is not a weakly prime, because it can be changed into another prime (12121424334703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060712167101 + 6060712167102.

It is an arithmetic number, because the mean of its divisors is an integer number (6060712167102).

Almost surely, 2^{12121424334203} is an apocalyptic number.

12121424334203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121424334203 is an equidigital number, since it uses as much as digits as its factorization.

12121424334203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 12121424334203 its reverse (30243342412121), we get a palindrome (42364766746324).

The spelling of 12121424334203 in words is "twelve trillion, one hundred twenty-one billion, four hundred twenty-four million, three hundred thirty-four thousand, two hundred three".