1203112233321 has 4 divisors (see below), whose sum is σ = 1604149644432. Its totient is φ = 802074822212.

The previous prime is 1203112233317. The next prime is 1203112233343. The reversal of 1203112233321 is 1233322113021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1203112233321 - 2² = 1203112233317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1203112233291 and 1203112233300.

It is not an unprimeable number, because it can be changed into a prime (1203112232321) 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 3 ways as a sum of consecutive naturals, for example, 200518705551 + ... + 200518705556.

It is an arithmetic number, because the mean of its divisors is an integer number (401037411108).

Almost surely, 2^{1203112233321} is an apocalyptic number.

It is an amenable number.

1203112233321 is a deficient number, since it is larger than the sum of its proper divisors (401037411111).

1203112233321 is an equidigital number, since it uses as much as digits as its factorization.

1203112233321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401037411110.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1203112233321 its reverse (1233322113021), we get a palindrome (2436434346342).

The spelling of 1203112233321 in words is "one trillion, two hundred three billion, one hundred twelve million, two hundred thirty-three thousand, three hundred twenty-one".