1210004244243 has 20 divisors (see below), whose sum is σ = 1810993361848. Its totient is φ = 805127078880.

The previous prime is 1210004244217. The next prime is 1210004244247. The reversal of 1210004244243 is 3424424000121.

1210004244243 is a `hidden beast` number, since 1 + 210 + 0 + 0 + 4 + 2 + 442 + 4 + 3 = 666.

It is not a de Polignac number, because 1210004244243 - 2⁹ = 1210004243731 is a prime.

It is a super-2 number, since 2×1210004244243² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210004244247) 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 in 19 ways as a sum of consecutive naturals, for example, 14239018 + ... + 14323743.

Almost surely, 2^{1210004244243} is an apocalyptic number.

1210004244243 is a deficient number, since it is larger than the sum of its proper divisors (600989117605).

1210004244243 is an equidigital number, since it uses as much as digits as its factorization.

1210004244243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28563296 (or 28563287 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 1210004244243 its reverse (3424424000121), we get a palindrome (4634428244364).

The spelling of 1210004244243 in words is "one trillion, two hundred ten billion, four million, two hundred forty-four thousand, two hundred forty-three".