1240112221079 has 2 divisors, whose sum is σ = 1240112221080.
Its totient is φ = 1240112221078.
The previous prime is 1240112221069. The next prime is 1240112221199. The reversal of 1240112221079 is 9701222110421.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1240112221079 - 212 = 1240112216983 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1240112221069) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620056110539 + 620056110540.
It is an arithmetic number, because the mean of its divisors is an integer number (620056110540).
Almost surely, 21240112221079 is an apocalyptic number.
1240112221079 is a deficient number, since it is larger than the sum of its proper divisors (1).
1240112221079 is an equidigital number, since it uses as much as digits as its factorization.
1240112221079 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4032, while the sum is 32.
The spelling of 1240112221079 in words is "one trillion, two hundred forty billion, one hundred twelve million, two hundred twenty-one thousand, seventy-nine".