1200324204121 has 6 divisors (see below), whose sum is σ = 1396295502810. Its totient is φ = 1028849317776.

The previous prime is 1200324204103. The next prime is 1200324204139. The reversal of 1200324204121 is 1214024230021.

It is an interprime number because it is at equal distance from previous prime (1200324204103) and next prime (1200324204139).

It can be written as a sum of positive squares in only one way, i.e., 853426763721 + 346897440400 = 923811^2 + 588980^2 .

It is not a de Polignac number, because 1200324204121 - 2⁷ = 1200324203993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200324204092 and 1200324204101.

It is not an unprimeable number, because it can be changed into a prime (1200324204181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12248206116 + ... + 12248206213.

It is an arithmetic number, because the mean of its divisors is an integer number (232715917135).

Almost surely, 2^{1200324204121} is an apocalyptic number.

It is an amenable number.

1200324204121 is a deficient number, since it is larger than the sum of its proper divisors (195971298689).

1200324204121 is an equidigital number, since it uses as much as digits as its factorization.

1200324204121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24496412343 (or 24496412336 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1200324204121 its reverse (1214024230021), we get a palindrome (2414348434142).

The spelling of 1200324204121 in words is "one trillion, two hundred billion, three hundred twenty-four million, two hundred four thousand, one hundred twenty-one".