1243110002312 has 16 divisors (see below), whose sum is σ = 2374809203340. Its totient is φ = 609827548096.

The previous prime is 1243110002297. The next prime is 1243110002327. The reversal of 1243110002312 is 2132000113421.

It is an interprime number because it is at equal distance from previous prime (1243110002297) and next prime (1243110002327).

It can be written as a sum of positive squares in 2 ways, for example, as 1041065146276 + 202044856036 = 1020326^2 + 449494^2 .

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 3 ways as a sum of consecutive naturals, for example, 1465931183 + ... + 1465932030.

Almost surely, 2^{1243110002312} is an apocalyptic number.

It is an amenable number.

1243110002312 is a deficient number, since it is larger than the sum of its proper divisors (1131699201028).

1243110002312 is a wasteful number, since it uses less digits than its factorization.

1243110002312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931863272 (or 2931863268 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1243110002312 its reverse (2132000113421), we get a palindrome (3375110115733).

The spelling of 1243110002312 in words is "one trillion, two hundred forty-three billion, one hundred ten million, two thousand, three hundred twelve".