1001122012 has 24 divisors (see below), whose sum is σ = 1994332032. Its totient is φ = 435270000.

The previous prime is 1001122009. The next prime is 1001122097. The reversal of 1001122012 is 2102211001.

It is a self number, because there is not a number n which added to its sum of digits gives 1001122012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493614 + ... + 495637.

It is an arithmetic number, because the mean of its divisors is an integer number (83097168).

Almost surely, 2^1001122012 is an apocalyptic number.

It is an amenable number.

1001122012 is a deficient number, since it is larger than the sum of its proper divisors (993210020).

1001122012 is a wasteful number, since it uses less digits than its factorization.

1001122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989289 (or 989287 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1001122012 is about 31640.5121956014. The cubic root of 1001122012 is about 1000.3738642081.

Adding to 1001122012 its reverse (2102211001), we get a palindrome (3103333013).

It can be divided in two parts, 10011 and 22012, that added together give a palindrome (32023).

The spelling of 1001122012 in words is "one billion, one million, one hundred twenty-two thousand, twelve".