1216440344714 has 32 divisors (see below), whose sum is σ = 2134546698240. Its totient is φ = 509077017648.

The previous prime is 1216440344711. The next prime is 1216440344723. The reversal of 1216440344714 is 4174430446121.

It is a super-2 number, since 2×1216440344714² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1216440344711) 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, 1816712 + ... + 2394435.

It is an arithmetic number, because the mean of its divisors is an integer number (66704584320).

Almost surely, 2^{1216440344714} is an apocalyptic number.

1216440344714 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1216440344714 is a deficient number, since it is larger than the sum of its proper divisors (918106353526).

1216440344714 is a wasteful number, since it uses less digits than its factorization.

1216440344714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211642.

The product of its (nonzero) digits is 258048, while the sum is 41.

The spelling of 1216440344714 in words is "one trillion, two hundred sixteen billion, four hundred forty million, three hundred forty-four thousand, seven hundred fourteen".