1217988276119 has 2 divisors, whose sum is σ = 1217988276120. Its totient is φ = 1217988276118.

The previous prime is 1217988276103. The next prime is 1217988276203. The reversal of 1217988276119 is 9116728897121.

It is a weak prime.

It is an emirp because it is prime and its reverse (9116728897121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1217988276119 - 2⁴ = 1217988276103 is a prime.

It is a super-2 number, since 2×1217988276119² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1217988276719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 608994138059 + 608994138060.

It is an arithmetic number, because the mean of its divisors is an integer number (608994138060).

Almost surely, 2^{1217988276119} is an apocalyptic number.

1217988276119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1217988276119 is an equidigital number, since it uses as much as digits as its factorization.

1217988276119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 62.

The spelling of 1217988276119 in words is "one trillion, two hundred seventeen billion, nine hundred eighty-eight million, two hundred seventy-six thousand, one hundred nineteen".