1151122012 has 12 divisors (see below), whose sum is σ = 2020077360. Its totient is φ = 573957056.

The previous prime is 1151122001. The next prime is 1151122051. The reversal of 1151122012 is 2102211511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399373 + ... + 402244.

It is an arithmetic number, because the mean of its divisors is an integer number (168339780).

Almost surely, 2^1151122012 is an apocalyptic number.

It is an amenable number.

1151122012 is a deficient number, since it is larger than the sum of its proper divisors (868955348).

1151122012 is a wasteful number, since it uses less digits than its factorization.

1151122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801980 (or 801978 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 1151122012 is about 33928.1890468678. The cubic root of 1151122012 is about 1048.0301729265.

Adding to 1151122012 its reverse (2102211511), we get a palindrome (3253333523).

The spelling of 1151122012 in words is "one billion, one hundred fifty-one million, one hundred twenty-two thousand, twelve".