56012122 has 16 divisors (see below), whose sum is σ = 85821120. Its totient is φ = 27409408.

The previous prime is 56012119. The next prime is 56012123. The reversal of 56012122 is 22121065.

It is a self number, because there is not a number n which added to its sum of digits gives 56012122.

It is not an unprimeable number, because it can be changed into a prime (56012123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29403 + ... + 31249.

It is an arithmetic number, because the mean of its divisors is an integer number (5363820).

Almost surely, 2^56012122 is an apocalyptic number.

56012122 is a deficient number, since it is larger than the sum of its proper divisors (29808998).

56012122 is a wasteful number, since it uses less digits than its factorization.

56012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 56012122 is about 7484.1246649157. The cubic root of 56012122 is about 382.6138399817.

Adding to 56012122 its reverse (22121065), we get a palindrome (78133187).

The spelling of 56012122 in words is "fifty-six million, twelve thousand, one hundred twenty-two".