1230312303112 has 16 divisors (see below), whose sum is σ = 2311973293500. Its totient is φ = 613786091520.

The previous prime is 1230312303053. The next prime is 1230312303113. The reversal of 1230312303112 is 2113032130321.

It can be written as a sum of positive squares in 2 ways, for example, as 1065796075876 + 164516227236 = 1032374^2 + 405606^2 .

It is not an unprimeable number, because it can be changed into a prime (1230312303113) 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 3 ways as a sum of consecutive naturals, for example, 171253689 + ... + 171260872.

Almost surely, 2^{1230312303112} is an apocalyptic number.

It is an amenable number.

1230312303112 is a deficient number, since it is larger than the sum of its proper divisors (1081660990388).

1230312303112 is a wasteful number, since it uses less digits than its factorization.

1230312303112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342515016 (or 342515012 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1230312303112 its reverse (2113032130321), we get a palindrome (3343344433433).

The spelling of 1230312303112 in words is "one trillion, two hundred thirty billion, three hundred twelve million, three hundred three thousand, one hundred twelve".