1210243944499 has 2 divisors, whose sum is σ = 1210243944500. Its totient is φ = 1210243944498.

The previous prime is 1210243944421. The next prime is 1210243944541. The reversal of 1210243944499 is 9944493420121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1210243944499 - 2³⁵ = 1175884206131 is a prime.

It is a super-2 number, since 2×1210243944499² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1210243944799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605121972249 + 605121972250.

It is an arithmetic number, because the mean of its divisors is an integer number (605121972250).

Almost surely, 2^{1210243944499} is an apocalyptic number.

1210243944499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210243944499 is an equidigital number, since it uses as much as digits as its factorization.

1210243944499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 52.

The spelling of 1210243944499 in words is "one trillion, two hundred ten billion, two hundred forty-three million, nine hundred forty-four thousand, four hundred ninety-nine".