1217119420799 has 8 divisors (see below), whose sum is σ = 1288809552240. Its totient is φ = 1145439830656.

The previous prime is 1217119420793. The next prime is 1217119420817. The reversal of 1217119420799 is 9970249117121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1217119420799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1217119420799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1217119420793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2396984 + ... + 2860029.

It is an arithmetic number, because the mean of its divisors is an integer number (161101194030).

Almost surely, 2^{1217119420799} is an apocalyptic number.

1217119420799 is a deficient number, since it is larger than the sum of its proper divisors (71690131441).

1217119420799 is a wasteful number, since it uses less digits than its factorization.

1217119420799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5270649.

The product of its (nonzero) digits is 571536, while the sum is 53.

The spelling of 1217119420799 in words is "one trillion, two hundred seventeen billion, one hundred nineteen million, four hundred twenty thousand, seven hundred ninety-nine".