1216046103999 has 8 divisors (see below), whose sum is σ = 1621433064240. Its totient is φ = 810678273216.

The previous prime is 1216046103983. The next prime is 1216046104081. The reversal of 1216046103999 is 9993016406121.

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

It is not a de Polignac number, because 1216046103999 - 2⁴ = 1216046103983 is a prime.

It is a super-2 number, since 2×1216046103999² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1216046103919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4633372 + ... + 4888785.

It is an arithmetic number, because the mean of its divisors is an integer number (202679133030).

Almost surely, 2^{1216046103999} is an apocalyptic number.

1216046103999 is a deficient number, since it is larger than the sum of its proper divisors (405386960241).

1216046103999 is an equidigital number, since it uses as much as digits as its factorization.

1216046103999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9564729.

The product of its (nonzero) digits is 629856, while the sum is 51.

The spelling of 1216046103999 in words is "one trillion, two hundred sixteen billion, forty-six million, one hundred three thousand, nine hundred ninety-nine".