56701212 has 12 divisors (see below), whose sum is σ = 132302856. Its totient is φ = 18900400.

The previous prime is 56701207. The next prime is 56701231. The reversal of 56701212 is 21210765.

It is a tau number, because it is divible by the number of its divisors (12).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2362539 + ... + 2362562.

It is an arithmetic number, because the mean of its divisors is an integer number (11025238).

Almost surely, 2^56701212 is an apocalyptic number.

It is an amenable number.

56701212 is an abundant number, since it is smaller than the sum of its proper divisors (75601644).

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

56701212 is a wasteful number, since it uses less digits than its factorization.

56701212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4725108 (or 4725106 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 56701212 is about 7530.0207171030. The cubic root of 56701212 is about 384.1764867994.

Adding to 56701212 its reverse (21210765), we get a palindrome (77911977).

The spelling of 56701212 in words is "fifty-six million, seven hundred one thousand, two hundred twelve".