1200220101205 has 8 divisors (see below), whose sum is σ = 1475392514904. Its totient is φ = 936757152000.

The previous prime is 1200220101163. The next prime is 1200220101257. The reversal of 1200220101205 is 5021010220021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 69534525636 + 1130685575569 = 263694^2 + 1063337^2 .

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

It is not a de Polignac number, because 1200220101205 - 2³³ = 1191630166613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2927365896 + ... + 2927366305.

It is an arithmetic number, because the mean of its divisors is an integer number (184424064363).

Almost surely, 2^{1200220101205} is an apocalyptic number.

It is an amenable number.

1200220101205 is a deficient number, since it is larger than the sum of its proper divisors (275172413699).

1200220101205 is an equidigital number, since it uses as much as digits as its factorization.

1200220101205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5854732247.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 1200220101205 its reverse (5021010220021), we get a palindrome (6221230321226).

The spelling of 1200220101205 in words is "one trillion, two hundred billion, two hundred twenty million, one hundred one thousand, two hundred five".