1220001323299 has 8 divisors (see below), whose sum is σ = 1330926773760. Its totient is φ = 1109078579400.

The previous prime is 1220001323279. The next prime is 1220001323309. The reversal of 1220001323299 is 9923231000221.

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

It is not a de Polignac number, because 1220001323299 - 2⁵ = 1220001323267 is a prime.

It is a super-2 number, since 2×1220001323299² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220001323279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331122 + ... + 1596760.

It is an arithmetic number, because the mean of its divisors is an integer number (166365846720).

Almost surely, 2^{1220001323299} is an apocalyptic number.

1220001323299 is a deficient number, since it is larger than the sum of its proper divisors (110925450461).

1220001323299 is a wasteful number, since it uses less digits than its factorization.

1220001323299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353281.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 1220001323299 in words is "one trillion, two hundred twenty billion, one million, three hundred twenty-three thousand, two hundred ninety-nine".