1233121003121 has 8 divisors (see below), whose sum is σ = 1412795566464. Its totient is φ = 1054325044800.

The previous prime is 1233121003087. The next prime is 1233121003141. The reversal of 1233121003121 is 1213001213321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1233121003121 - 2⁶ = 1233121003057 is a prime.

It is a super-4 number, since 4×1233121003121⁴ (a number of 49 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1233121003093 and 1233121003102.

It is not an unprimeable number, because it can be changed into a prime (1233121003141) 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 7 ways as a sum of consecutive naturals, for example, 219648245 + ... + 219653858.

It is an arithmetic number, because the mean of its divisors is an integer number (176599445808).

Almost surely, 2^{1233121003121} is an apocalyptic number.

It is an amenable number.

1233121003121 is a deficient number, since it is larger than the sum of its proper divisors (179674563343).

1233121003121 is an equidigital number, since it uses as much as digits as its factorization.

1233121003121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439302511.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1233121003121 its reverse (1213001213321), we get a palindrome (2446122216442).

The spelling of 1233121003121 in words is "one trillion, two hundred thirty-three billion, one hundred twenty-one million, three thousand, one hundred twenty-one".