12103213122311 has 2 divisors, whose sum is σ = 12103213122312. Its totient is φ = 12103213122310.

The previous prime is 12103213122257. The next prime is 12103213122331. The reversal of 12103213122311 is 11322131230121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12103213122311 - 2³⁴ = 12086033253127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12103213122331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051606561155 + 6051606561156.

It is an arithmetic number, because the mean of its divisors is an integer number (6051606561156).

Almost surely, 2^{12103213122311} is an apocalyptic number.

12103213122311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103213122311 is an equidigital number, since it uses as much as digits as its factorization.

12103213122311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12103213122311 its reverse (11322131230121), we get a palindrome (23425344352432).

The spelling of 12103213122311 in words is "twelve trillion, one hundred three billion, two hundred thirteen million, one hundred twenty-two thousand, three hundred eleven".