56212120 has 32 divisors (see below), whose sum is σ = 128265120. Its totient is φ = 22167040.

The previous prime is 56212111. The next prime is 56212151. The reversal of 56212120 is 2121265.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7057 + ... + 12736.

It is an arithmetic number, because the mean of its divisors is an integer number (4008285).

Almost surely, 2^56212120 is an apocalyptic number.

It is an amenable number.

56212120 is an abundant number, since it is smaller than the sum of its proper divisors (72053000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56212120 is a wasteful number, since it uses less digits than its factorization.

56212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19875 (or 19871 counting only the distinct ones).

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

The square root of 56212120 is about 7497.4742413696. The cubic root of 56212120 is about 383.0686885828.

Adding to 56212120 its reverse (2121265), we get a palindrome (58333385).

The spelling of 56212120 in words is "fifty-six million, two hundred twelve thousand, one hundred twenty".