1216612682 has 8 divisors (see below), whose sum is σ = 1825070400. Its totient is φ = 608255884.

The previous prime is 1216612681. The next prime is 1216612687. The reversal of 1216612682 is 2862166121.

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

It is not an unprimeable number, because it can be changed into a prime (1216612681) 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, 24569 + ... + 55107.

It is an arithmetic number, because the mean of its divisors is an integer number (228133800).

Almost surely, 2^1216612682 is an apocalyptic number.

1216612682 is a deficient number, since it is larger than the sum of its proper divisors (608457718).

1216612682 is a wasteful number, since it uses less digits than its factorization.

1216612682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50460.

The product of its digits is 13824, while the sum is 35.

The square root of 1216612682 is about 34879.9753726977. The cubic root of 1216612682 is about 1067.5398927297.

The spelling of 1216612682 in words is "one billion, two hundred sixteen million, six hundred twelve thousand, six hundred eighty-two".