12231551140001 has 2 divisors, whose sum is σ = 12231551140002. Its totient is φ = 12231551140000.

The previous prime is 12231551139989. The next prime is 12231551140019. The reversal of 12231551140001 is 10004115513221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7562494500001 + 4669056640000 = 2749999^2 + 2160800^2 .

It is a cyclic number.

It is not a de Polignac number, because 12231551140001 - 2²² = 12231546945697 is a prime.

It is a super-2 number, since 2×12231551140001² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12231551140021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115775570000 + 6115775570001.

It is an arithmetic number, because the mean of its divisors is an integer number (6115775570001).

Almost surely, 2^{12231551140001} is an apocalyptic number.

It is an amenable number.

12231551140001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231551140001 is an equidigital number, since it uses as much as digits as its factorization.

12231551140001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 12231551140001 its reverse (10004115513221), we get a palindrome (22235666653222).

The spelling of 12231551140001 in words is "twelve trillion, two hundred thirty-one billion, five hundred fifty-one million, one hundred forty thousand, one".