1122122012 has 12 divisors (see below), whose sum is σ = 2142233016. Its totient is φ = 510055440.

The previous prime is 1122122011. The next prime is 1122122041. The reversal of 1122122012 is 2102212211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122122011) 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, 12751343 + ... + 12751430.

It is an arithmetic number, because the mean of its divisors is an integer number (178519418).

Almost surely, 2^1122122012 is an apocalyptic number.

It is an amenable number.

1122122012 is a deficient number, since it is larger than the sum of its proper divisors (1020111004).

1122122012 is a wasteful number, since it uses less digits than its factorization.

1122122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25502788 (or 25502786 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1122122012 is about 33498.0896768756. The cubic root of 1122122012 is about 1039.1542717596.

Adding to 1122122012 its reverse (2102212211), we get a palindrome (3224334223).

It can be divided in two parts, 11221 and 22012, that added together give a palindrome (33233).

The spelling of 1122122012 in words is "one billion, one hundred twenty-two million, one hundred twenty-two thousand, twelve".