1230118912 has 168 divisors, whose sum is σ = 2902346748. Its totient is φ = 519045120.

The previous prime is 1230118873. The next prime is 1230118969. The reversal of 1230118912 is 2198110321.

It can be written as a sum of positive squares in 2 ways, for example, as 1189974016 + 40144896 = 34496^2 + 6336^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16850908 + ... + 16850980.

Almost surely, 2^1230118912 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 1230118912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1451173374).

1230118912 is an abundant number, since it is smaller than the sum of its proper divisors (1672227836).

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

1230118912 is an equidigital number, since it uses as much as digits as its factorization.

1230118912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 1230118912 is about 35073.0510791405. The cubic root of 1230118912 is about 1071.4757962812.

It can be divided in two parts, 12301 and 18912, that added together give a palindrome (31213).

The spelling of 1230118912 in words is "one billion, two hundred thirty million, one hundred eighteen thousand, nine hundred twelve".