12216703217354 has 8 divisors (see below), whose sum is σ = 18346288959360. Its totient is φ = 6101273564236.

The previous prime is 12216703217353. The next prime is 12216703217363. The reversal of 12216703217354 is 45371230761221.

It is a happy number.

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

It is a super-2 number, since 2×12216703217354² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12216703217351) 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, 3539020064 + ... + 3539023515.

It is an arithmetic number, because the mean of its divisors is an integer number (2293286119920).

Almost surely, 2^{12216703217354} is an apocalyptic number.

12216703217354 is a deficient number, since it is larger than the sum of its proper divisors (6129585742006).

12216703217354 is an equidigital number, since it uses as much as digits as its factorization.

12216703217354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7078044444.

The product of its (nonzero) digits is 423360, while the sum is 44.

Adding to 12216703217354 its reverse (45371230761221), we get a palindrome (57587933978575).

The spelling of 12216703217354 in words is "twelve trillion, two hundred sixteen billion, seven hundred three million, two hundred seventeen thousand, three hundred fifty-four".