1216082348 has 12 divisors (see below), whose sum is σ = 2291847600. Its totient is φ = 561268752.

The previous prime is 1216082333. The next prime is 1216082363. The reversal of 1216082348 is 8432806121.

It is an interprime number because it is at equal distance from previous prime (1216082333) and next prime (1216082363).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11693048 + ... + 11693151.

It is an arithmetic number, because the mean of its divisors is an integer number (190987300).

Almost surely, 2^1216082348 is an apocalyptic number.

It is an amenable number.

1216082348 is a deficient number, since it is larger than the sum of its proper divisors (1075765252).

1216082348 is a wasteful number, since it uses less digits than its factorization.

1216082348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23386216 (or 23386214 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 1216082348 is about 34872.3722737642. The cubic root of 1216082348 is about 1067.3847529733.

Adding to 1216082348 its reverse (8432806121), we get a palindrome (9648888469).

The spelling of 1216082348 in words is "one billion, two hundred sixteen million, eighty-two thousand, three hundred forty-eight".