57212 has 6 divisors (see below), whose sum is σ = 100128. Its totient is φ = 28604.

The previous prime is 57203. The next prime is 57221. The reversal of 57212 is 21275.

57212 is nontrivially palindromic in base 3.

It is an interprime number because it is at equal distance from previous prime (57203) and next prime (57221).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7148 + ... + 7155.

It is an arithmetic number, because the mean of its divisors is an integer number (16688).

2⁵⁷²¹² is an apocalyptic number.

It is an amenable number.

57212 is a deficient number, since it is larger than the sum of its proper divisors (42916).

57212 is a wasteful number, since it uses less digits than its factorization.

57212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14307 (or 14305 counting only the distinct ones).

The product of its digits is 140, while the sum is 17.

The square root of 57212 is about 239.1903008067. The cubic root of 57212 is about 38.5326646941.

Adding to 57212 its reverse (21275), we get a palindrome (78487).

Subtracting from 57212 its reverse (21275), we obtain a cube (35937 = 33³).

The spelling of 57212 in words is "fifty-seven thousand, two hundred twelve".