1223312119 has 2 divisors, whose sum is σ = 1223312120. Its totient is φ = 1223312118.

The previous prime is 1223312107. The next prime is 1223312137. The reversal of 1223312119 is 9112133221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1223312119 - 2¹⁹ = 1222787831 is a prime.

It is a super-2 number, since 2×1223312119² = 2992985080984540322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1223312093 and 1223312102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223312159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611656059 + 611656060.

It is an arithmetic number, because the mean of its divisors is an integer number (611656060).

Almost surely, 2^1223312119 is an apocalyptic number.

1223312119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223312119 is an equidigital number, since it uses as much as digits as its factorization.

1223312119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 25.

The square root of 1223312119 is about 34975.8791026044. The cubic root of 1223312119 is about 1069.4958229726.

The spelling of 1223312119 in words is "one billion, two hundred twenty-three million, three hundred twelve thousand, one hundred nineteen".