213122231219 has 2 divisors, whose sum is σ = 213122231220. Its totient is φ = 213122231218.

The previous prime is 213122231197. The next prime is 213122231227. The reversal of 213122231219 is 912132221312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213122231219 is a prime.

It is a super-2 number, since 2×213122231219² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213122231191 and 213122231200.

It is not a weakly prime, because it can be changed into another prime (213122231249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106561115609 + 106561115610.

It is an arithmetic number, because the mean of its divisors is an integer number (106561115610).

Almost surely, 2^213122231219 is an apocalyptic number.

213122231219 is a deficient number, since it is larger than the sum of its proper divisors (1).

213122231219 is an equidigital number, since it uses as much as digits as its factorization.

213122231219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The spelling of 213122231219 in words is "two hundred thirteen billion, one hundred twenty-two million, two hundred thirty-one thousand, two hundred nineteen".