1216597114370 has 16 divisors (see below), whose sum is σ = 2388954333888. Its totient is φ = 442398950640.

The previous prime is 1216597114351. The next prime is 1216597114379. The reversal of 1216597114370 is 734117956121.

It is not an unprimeable number, because it can be changed into a prime (1216597114379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5529986774 + ... + 5529986993.

It is an arithmetic number, because the mean of its divisors is an integer number (149309645868).

Almost surely, 2^{1216597114370} is an apocalyptic number.

1216597114370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1216597114370 is a deficient number, since it is larger than the sum of its proper divisors (1172357219518).

1216597114370 is a wasteful number, since it uses less digits than its factorization.

1216597114370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11059973785.

The product of its (nonzero) digits is 317520, while the sum is 47.

The spelling of 1216597114370 in words is "one trillion, two hundred sixteen billion, five hundred ninety-seven million, one hundred fourteen thousand, three hundred seventy".