3121223330123 has 2 divisors, whose sum is σ = 3121223330124. Its totient is φ = 3121223330122.

The previous prime is 3121223330101. The next prime is 3121223330153. The reversal of 3121223330123 is 3210333221213.

It is a weak prime.

It is an emirp because it is prime and its reverse (3210333221213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3121223330123 - 2⁶ = 3121223330059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3121223330092 and 3121223330101.

It is not a weakly prime, because it can be changed into another prime (3121223330153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560611665061 + 1560611665062.

It is an arithmetic number, because the mean of its divisors is an integer number (1560611665062).

Almost surely, 2^{3121223330123} is an apocalyptic number.

3121223330123 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121223330123 is an equidigital number, since it uses as much as digits as its factorization.

3121223330123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 3121223330123 its reverse (3210333221213), we get a palindrome (6331556551336).

The spelling of 3121223330123 in words is "three trillion, one hundred twenty-one billion, two hundred twenty-three million, three hundred thirty thousand, one hundred twenty-three".