12231551140002 has 12 divisors (see below), whose sum is σ = 26501694136710. Its totient is φ = 4077183713328.

The previous prime is 12231551140001. The next prime is 12231551140019. The reversal of 12231551140002 is 20004115513221.

It is a happy number.

12231551140002 is a `hidden beast` number, since 12 + 231 + 5 + 5 + 11 + 400 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7806329828361 + 4425221311641 = 2793981^2 + 2103621^2 .

It is a super-2 number, since 2×12231551140002² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12231551140001) 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 in 5 ways as a sum of consecutive naturals, for example, 339765309427 + ... + 339765309462.

Almost surely, 2^{12231551140002} is an apocalyptic number.

12231551140002 is an abundant number, since it is smaller than the sum of its proper divisors (14270142996708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12231551140002 is a wasteful number, since it uses less digits than its factorization.

12231551140002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679530618897 (or 679530618894 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 12231551140002 its reverse (20004115513221), we get a palindrome (32235666653223).

The spelling of 12231551140002 in words is "twelve trillion, two hundred thirty-one billion, five hundred fifty-one million, one hundred forty thousand, two".