1211233232321 has 8 divisors (see below), whose sum is σ = 1407728696640. Its totient is φ = 1020603304368.

The previous prime is 1211233232311. The next prime is 1211233232351. The reversal of 1211233232321 is 1232323321121.

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 1211233232321 - 2⁶ = 1211233232257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1211233232311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1466383646 + ... + 1466384471.

It is an arithmetic number, because the mean of its divisors is an integer number (175966087080).

Almost surely, 2^{1211233232321} is an apocalyptic number.

It is an amenable number.

1211233232321 is a deficient number, since it is larger than the sum of its proper divisors (196495464319).

1211233232321 is an equidigital number, since it uses as much as digits as its factorization.

1211233232321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932768183.

The product of its digits is 2592, while the sum is 26.

Adding to 1211233232321 its reverse (1232323321121), we get a palindrome (2443556553442).

The spelling of 1211233232321 in words is "one trillion, two hundred eleven billion, two hundred thirty-three million, two hundred thirty-two thousand, three hundred twenty-one".