2123212319 has 2 divisors, whose sum is σ = 2123212320. Its totient is φ = 2123212318.

The previous prime is 2123212313. The next prime is 2123212337. The reversal of 2123212319 is 9132123212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123212319 is a prime.

It is a super-2 number, since 2×2123212319² = 9016061103106715522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123212313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061606159 + 1061606160.

It is an arithmetic number, because the mean of its divisors is an integer number (1061606160).

Almost surely, 2^2123212319 is an apocalyptic number.

2123212319 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123212319 is an equidigital number, since it uses as much as digits as its factorization.

2123212319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 2123212319 is about 46078.3280838183. The cubic root of 2123212319 is about 1285.2801740869.

It can be divided in two parts, 2 and 123212319, that added together give a palindrome (123212321).

The spelling of 2123212319 in words is "two billion, one hundred twenty-three million, two hundred twelve thousand, three hundred nineteen".