12216370115353 has 8 divisors (see below), whose sum is σ = 12262452710472. Its totient is φ = 12170301766656.

The previous prime is 12216370115333. The next prime is 12216370115359. The reversal of 12216370115353 is 35351107361221.

It can be written as a sum of positive squares in 4 ways, for example, as 1610353386009 + 10606016729344 = 1268997^2 + 3256688^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12216370115353 - 2⁵ = 12216370115321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12216370115359) 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, 1841800 + ... + 5274937.

It is an arithmetic number, because the mean of its divisors is an integer number (1532806588809).

Almost surely, 2^{12216370115353} is an apocalyptic number.

It is an amenable number.

12216370115353 is a deficient number, since it is larger than the sum of its proper divisors (46082595119).

12216370115353 is an equidigital number, since it uses as much as digits as its factorization.

12216370115353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7123211.

The product of its (nonzero) digits is 113400, while the sum is 40.

Adding to 12216370115353 its reverse (35351107361221), we get a palindrome (47567477476574).

The spelling of 12216370115353 in words is "twelve trillion, two hundred sixteen billion, three hundred seventy million, one hundred fifteen thousand, three hundred fifty-three".