123222120019 has 2 divisors, whose sum is σ = 123222120020. Its totient is φ = 123222120018.

The previous prime is 123222119981. The next prime is 123222120023. The reversal of 123222120019 is 910021222321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123222120019 - 2¹¹ = 123222117971 is a prime.

It is a super-3 number, since 3×123222120019³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 123222119975 and 123222120002.

It is not a weakly prime, because it can be changed into another prime (123222120029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61611060009 + 61611060010.

It is an arithmetic number, because the mean of its divisors is an integer number (61611060010).

Almost surely, 2^123222120019 is an apocalyptic number.

123222120019 is a deficient number, since it is larger than the sum of its proper divisors (1).

123222120019 is an equidigital number, since it uses as much as digits as its factorization.

123222120019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 123222120019 in words is "one hundred twenty-three billion, two hundred twenty-two million, one hundred twenty thousand, nineteen".