1200001322203 has 8 divisors (see below), whose sum is σ = 1220069792480. Its totient is φ = 1179945636480.

The previous prime is 1200001322161. The next prime is 1200001322209. The reversal of 1200001322203 is 3022231000021.

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

It is a cyclic number.

It is not a de Polignac number, because 1200001322203 - 2¹⁷ = 1200001191131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200001322209) 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, 3006750 + ... + 3382387.

It is an arithmetic number, because the mean of its divisors is an integer number (152508724060).

Almost surely, 2^{1200001322203} is an apocalyptic number.

1200001322203 is a deficient number, since it is larger than the sum of its proper divisors (20068470277).

1200001322203 is an equidigital number, since it uses as much as digits as its factorization.

1200001322203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6392277.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1200001322203 its reverse (3022231000021), we get a palindrome (4222232322224).

The spelling of 1200001322203 in words is "one trillion, two hundred billion, one million, three hundred twenty-two thousand, two hundred three".