1163612012 has 24 divisors (see below), whose sum is σ = 2068824576. Its totient is φ = 572589648.

The previous prime is 1163611997. The next prime is 1163612017. The reversal of 1163612012 is 2102163611.

It is not an unprimeable number, because it can be changed into a prime (1163612017) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 58493 + ... + 75819.

It is an arithmetic number, because the mean of its divisors is an integer number (86201024).

Almost surely, 2^1163612012 is an apocalyptic number.

It is an amenable number.

1163612012 is a deficient number, since it is larger than the sum of its proper divisors (905212564).

1163612012 is a wasteful number, since it uses less digits than its factorization.

1163612012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17597 (or 17595 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1163612012 is about 34111.7576797209. The cubic root of 1163612012 is about 1051.8070205084.

Adding to 1163612012 its reverse (2102163611), we get a palindrome (3265775623).

The spelling of 1163612012 in words is "one billion, one hundred sixty-three million, six hundred twelve thousand, twelve".