1213443353219 has 2 divisors, whose sum is σ = 1213443353220. Its totient is φ = 1213443353218.

The previous prime is 1213443353201. The next prime is 1213443353233. The reversal of 1213443353219 is 9123533443121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1213443353219 - 2¹² = 1213443349123 is a prime.

It is a super-2 number, since 2×1213443353219² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1213443353119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606721676609 + 606721676610.

It is an arithmetic number, because the mean of its divisors is an integer number (606721676610).

Almost surely, 2^{1213443353219} is an apocalyptic number.

1213443353219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213443353219 is an equidigital number, since it uses as much as digits as its factorization.

1213443353219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 41.

The spelling of 1213443353219 in words is "one trillion, two hundred thirteen billion, four hundred forty-three million, three hundred fifty-three thousand, two hundred nineteen".