1240112221207 has 2 divisors, whose sum is σ = 1240112221208. Its totient is φ = 1240112221206.

The previous prime is 1240112221199. The next prime is 1240112221219. The reversal of 1240112221207 is 7021222110421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1240112221207 - 2³ = 1240112221199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1240112221237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620056110603 + 620056110604.

It is an arithmetic number, because the mean of its divisors is an integer number (620056110604).

Almost surely, 2^{1240112221207} is an apocalyptic number.

1240112221207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240112221207 is an equidigital number, since it uses as much as digits as its factorization.

1240112221207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 1240112221207 its reverse (7021222110421), we get a palindrome (8261334331628).

The spelling of 1240112221207 in words is "one trillion, two hundred forty billion, one hundred twelve million, two hundred twenty-one thousand, two hundred seven".