1217328163342 has 8 divisors (see below), whose sum is σ = 1826222445576. Its totient is φ = 608587348152.

The previous prime is 1217328163321. The next prime is 1217328163343. The reversal of 1217328163342 is 2433618237121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1217328163343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38346928 + ... + 38378659.

It is an arithmetic number, because the mean of its divisors is an integer number (228277805697).

Almost surely, 2^{1217328163342} is an apocalyptic number.

1217328163342 is a deficient number, since it is larger than the sum of its proper divisors (608894282234).

1217328163342 is an equidigital number, since it uses as much as digits as its factorization.

1217328163342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76733522.

The product of its digits is 290304, while the sum is 43.

The spelling of 1217328163342 in words is "one trillion, two hundred seventeen billion, three hundred twenty-eight million, one hundred sixty-three thousand, three hundred forty-two".