1204322240121 has 512 divisors, whose sum is σ = 2576970547200. Its totient is φ = 478892113920.

The previous prime is 1204322240117. The next prime is 1204322240131. The reversal of 1204322240121 is 1210422234021.

It is not a de Polignac number, because 1204322240121 - 2² = 1204322240117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1204322240091 and 1204322240100.

It is not an unprimeable number, because it can be changed into a prime (1204322240111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 825442890 + ... + 825444348.

It is an arithmetic number, because the mean of its divisors is an integer number (5033145600).

Almost surely, 2^{1204322240121} is an apocalyptic number.

1204322240121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1204322240121 is an abundant number, since it is smaller than the sum of its proper divisors (1372648307079).

1204322240121 is a wasteful number, since it uses less digits than its factorization.

1204322240121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1204322240121 its reverse (1210422234021), we get a palindrome (2414744474142).

The spelling of 1204322240121 in words is "one trillion, two hundred four billion, three hundred twenty-two million, two hundred forty thousand, one hundred twenty-one".