3120020121223 has 2 divisors, whose sum is σ = 3120020121224. Its totient is φ = 3120020121222.

The previous prime is 3120020121149. The next prime is 3120020121269. The reversal of 3120020121223 is 3221210200213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3120020121223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3120020121223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3120020121623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560010060611 + 1560010060612.

It is an arithmetic number, because the mean of its divisors is an integer number (1560010060612).

Almost surely, 2^{3120020121223} is an apocalyptic number.

3120020121223 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120020121223 is an equidigital number, since it uses as much as digits as its factorization.

3120020121223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 3120020121223 its reverse (3221210200213), we get a palindrome (6341230321436).

The spelling of 3120020121223 in words is "three trillion, one hundred twenty billion, twenty million, one hundred twenty-one thousand, two hundred twenty-three".