1230140612 has 6 divisors (see below), whose sum is σ = 2152746078. Its totient is φ = 615070304.

The previous prime is 1230140581. The next prime is 1230140629. The reversal of 1230140612 is 2160410321.

It can be written as a sum of positive squares in only one way, i.e., 1178960896 + 51179716 = 34336^2 + 7154^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 153767573 + ... + 153767580.

It is an arithmetic number, because the mean of its divisors is an integer number (358791013).

Almost surely, 2^1230140612 is an apocalyptic number.

It is an amenable number.

1230140612 is a deficient number, since it is larger than the sum of its proper divisors (922605466).

1230140612 is a wasteful number, since it uses less digits than its factorization.

1230140612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307535157 (or 307535155 counting only the distinct ones).

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

The square root of 1230140612 is about 35073.3604321000. The cubic root of 1230140612 is about 1071.4820967258.

Adding to 1230140612 its reverse (2160410321), we get a palindrome (3390550933).

The spelling of 1230140612 in words is "one billion, two hundred thirty million, one hundred forty thousand, six hundred twelve".