56012212 has 12 divisors (see below), whose sum is σ = 103787460. Its totient is φ = 26358656.

The previous prime is 56012183. The next prime is 56012219. The reversal of 56012212 is 21221065.

It can be written as a sum of positive squares in 2 ways, for example, as 38489616 + 17522596 = 6204^2 + 4186^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56012212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56012219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411787 + ... + 411922.

It is an arithmetic number, because the mean of its divisors is an integer number (8648955).

Almost surely, 2^56012212 is an apocalyptic number.

It is an amenable number.

56012212 is a deficient number, since it is larger than the sum of its proper divisors (47775248).

56012212 is a wasteful number, since it uses less digits than its factorization.

56012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823730 (or 823728 counting only the distinct ones).

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

The square root of 56012212 is about 7484.1306776405. The cubic root of 56012212 is about 382.6140449089.

Adding to 56012212 its reverse (21221065), we get a palindrome (77233277).

The spelling of 56012212 in words is "fifty-six million, twelve thousand, two hundred twelve".