1332103123121 has 4 divisors (see below), whose sum is σ = 1332106526052. Its totient is φ = 1332099720192.

The previous prime is 1332103123081. The next prime is 1332103123171. The reversal of 1332103123121 is 1213213012331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 207877636096 + 1124225487025 = 455936^2 + 1060295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1332103123121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1332103123171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1024496 + ... + 1927121.

It is an arithmetic number, because the mean of its divisors is an integer number (333026631513).

Almost surely, 2^{1332103123121} is an apocalyptic number.

It is an amenable number.

1332103123121 is a deficient number, since it is larger than the sum of its proper divisors (3402931).

1332103123121 is an equidigital number, since it uses as much as digits as its factorization.

1332103123121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3402930.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1332103123121 its reverse (1213213012331), we get a palindrome (2545316135452).

The spelling of 1332103123121 in words is "one trillion, three hundred thirty-two billion, one hundred three million, one hundred twenty-three thousand, one hundred twenty-one".