1216246213183 has 2 divisors, whose sum is σ = 1216246213184. Its totient is φ = 1216246213182.

The previous prime is 1216246213177. The next prime is 1216246213201. The reversal of 1216246213183 is 3813126426121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1216246213183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1216246213123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 608123106591 + 608123106592.

It is an arithmetic number, because the mean of its divisors is an integer number (608123106592).

Almost surely, 2^{1216246213183} is an apocalyptic number.

1216246213183 is a deficient number, since it is larger than the sum of its proper divisors (1).

1216246213183 is an equidigital number, since it uses as much as digits as its factorization.

1216246213183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 40.

The spelling of 1216246213183 in words is "one trillion, two hundred sixteen billion, two hundred forty-six million, two hundred thirteen thousand, one hundred eighty-three".