1230116212 has 12 divisors (see below), whose sum is σ = 2318296036. Its totient is φ = 567745920.

The previous prime is 1230116207. The next prime is 1230116213. The reversal of 1230116212 is 2126110321.

It can be written as a sum of positive squares in 2 ways, for example, as 806332816 + 423783396 = 28396^2 + 20586^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1230116212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230116213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11827989 + ... + 11828092.

Almost surely, 2^1230116212 is an apocalyptic number.

It is an amenable number.

1230116212 is a deficient number, since it is larger than the sum of its proper divisors (1088179824).

1230116212 is a wasteful number, since it uses less digits than its factorization.

1230116212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23656098 (or 23656096 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1230116212 is about 35073.0125880284. The cubic root of 1230116212 is about 1071.4750123497.

Adding to 1230116212 its reverse (2126110321), we get a palindrome (3356226533).

The spelling of 1230116212 in words is "one billion, two hundred thirty million, one hundred sixteen thousand, two hundred twelve".