1244220100293 has 8 divisors (see below), whose sum is σ = 1659063941056. Its totient is φ = 829428163200.

The previous prime is 1244220100289. The next prime is 1244220100309. The reversal of 1244220100293 is 3920010224421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1244220100293 - 2² = 1244220100289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1244220100293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244220100213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12919948 + ... + 13015893.

It is an arithmetic number, because the mean of its divisors is an integer number (207382992632).

Almost surely, 2^{1244220100293} is an apocalyptic number.

It is an amenable number.

1244220100293 is a deficient number, since it is larger than the sum of its proper divisors (414843840763).

1244220100293 is a wasteful number, since it uses less digits than its factorization.

1244220100293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25951835.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 1244220100293 in words is "one trillion, two hundred forty-four billion, two hundred twenty million, one hundred thousand, two hundred ninety-three".