1216271314017 has 24 divisors (see below), whose sum is σ = 1842526281024. Its totient is φ = 771656253984.

The previous prime is 1216271314009. The next prime is 1216271314039. The reversal of 1216271314017 is 7104131726121.

1216271314017 is a `hidden beast` number, since 1 + 2 + 1 + 627 + 1 + 3 + 14 + 0 + 17 = 666.

It is not a de Polignac number, because 1216271314017 - 2³ = 1216271314009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1216271314117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14872183 + ... + 14953740.

It is an arithmetic number, because the mean of its divisors is an integer number (76771928376).

Almost surely, 2^{1216271314017} is an apocalyptic number.

It is an amenable number.

1216271314017 is a deficient number, since it is larger than the sum of its proper divisors (626254967007).

1216271314017 is a wasteful number, since it uses less digits than its factorization.

1216271314017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29826149 (or 29826146 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The spelling of 1216271314017 in words is "one trillion, two hundred sixteen billion, two hundred seventy-one million, three hundred fourteen thousand, seventeen".