1233043232121 has 12 divisors (see below), whose sum is σ = 1781073321300. Its totient is φ = 822023802240.

The previous prime is 1233043232111. The next prime is 1233043232159. The reversal of 1233043232121 is 1212323403321.

1233043232121 is a `hidden beast` number, since 1 + 2 + 3 + 304 + 3 + 232 + 121 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 958950147600 + 274093084521 = 979260^2 + 523539^2 .

It is not a de Polignac number, because 1233043232121 - 2¹⁴ = 1233043215737 is a prime.

It is a super-2 number, since 2×1233043232121² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1233043232101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1704805 + ... + 2317853.

It is an arithmetic number, because the mean of its divisors is an integer number (148422776775).

Almost surely, 2^{1233043232121} is an apocalyptic number.

It is an amenable number.

1233043232121 is a deficient number, since it is larger than the sum of its proper divisors (548030089179).

1233043232121 is a wasteful number, since it uses less digits than its factorization.

1233043232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836536 (or 836533 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1233043232121 its reverse (1212323403321), we get a palindrome (2445366635442).

The spelling of 1233043232121 in words is "one trillion, two hundred thirty-three billion, forty-three million, two hundred thirty-two thousand, one hundred twenty-one".