1216982305319 has 16 divisors (see below), whose sum is σ = 1333535874720. Its totient is φ = 1101416088960.

The previous prime is 1216982305313. The next prime is 1216982305321. The reversal of 1216982305319 is 9135032896121.

It is not a de Polignac number, because 1216982305319 - 2⁴ = 1216982305303 is a prime.

It is a super-2 number, since 2×1216982305319² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1216982305313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54190097 + ... + 54212549.

It is an arithmetic number, because the mean of its divisors is an integer number (83345992170).

Almost surely, 2^{1216982305319} is an apocalyptic number.

1216982305319 is a deficient number, since it is larger than the sum of its proper divisors (116553569401).

1216982305319 is a wasteful number, since it uses less digits than its factorization.

1216982305319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44210.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 1216982305319 in words is "one trillion, two hundred sixteen billion, nine hundred eighty-two million, three hundred five thousand, three hundred nineteen".