1216741626143 has 2 divisors, whose sum is σ = 1216741626144. Its totient is φ = 1216741626142.

The previous prime is 1216741626119. The next prime is 1216741626239. The reversal of 1216741626143 is 3416261476121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1216741626143 - 2¹⁶ = 1216741560607 is a prime.

It is a super-2 number, since 2×1216741626143² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1216741626094 and 1216741626103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1216741626043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 608370813071 + 608370813072.

It is an arithmetic number, because the mean of its divisors is an integer number (608370813072).

Almost surely, 2^{1216741626143} is an apocalyptic number.

1216741626143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1216741626143 is an equidigital number, since it uses as much as digits as its factorization.

1216741626143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 44.

The spelling of 1216741626143 in words is "one trillion, two hundred sixteen billion, seven hundred forty-one million, six hundred twenty-six thousand, one hundred forty-three".