1232012002312 has 144 divisors (see below), whose sum is σ = 2949646261140. Its totient is φ = 480710909952.

The previous prime is 1232012002303. The next prime is 1232012002391. The reversal of 1232012002312 is 2132002102321.

It can be written as a sum of positive squares in 6 ways, for example, as 446686375716 + 785325626596 = 668346^2 + 886186^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1232012002312.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 4708728 + ... + 4963480.

Almost surely, 2^{1232012002312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232012002312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1474823130570).

1232012002312 is an abundant number, since it is smaller than the sum of its proper divisors (1717634258828).

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

1232012002312 is a wasteful number, since it uses less digits than its factorization.

1232012002312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254872 (or 254848 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1232012002312 its reverse (2132002102321), we get a palindrome (3364014104633).

The spelling of 1232012002312 in words is "one trillion, two hundred thirty-two billion, twelve million, two thousand, three hundred twelve".