1233121122003 has 4 divisors (see below), whose sum is σ = 1644161496008. Its totient is φ = 822080748000.

The previous prime is 1233121121993. The next prime is 1233121122019. The reversal of 1233121122003 is 3002211213321.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1233121122003 - 2⁴ = 1233121121987 is a prime.

It is a super-2 number, since 2×1233121122003² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1233121122043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205520186998 + ... + 205520187003.

It is an arithmetic number, because the mean of its divisors is an integer number (411040374002).

Almost surely, 2^{1233121122003} is an apocalyptic number.

1233121122003 is a deficient number, since it is larger than the sum of its proper divisors (411040374005).

1233121122003 is an equidigital number, since it uses as much as digits as its factorization.

1233121122003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411040374004.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1233121122003 its reverse (3002211213321), we get a palindrome (4235332335324).

The spelling of 1233121122003 in words is "one trillion, two hundred thirty-three billion, one hundred twenty-one million, one hundred twenty-two thousand, three".