212125253 has 16 divisors (see below), whose sum is σ = 227197440. Its totient is φ = 197478000.

The previous prime is 212125229. The next prime is 212125273. The reversal of 212125253 is 352521212.

It is a cyclic number.

It is not a de Polignac number, because 212125253 - 2⁶ = 212125189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212125213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306638 + ... + 307328.

It is an arithmetic number, because the mean of its divisors is an integer number (14199840).

Almost surely, 2^212125253 is an apocalyptic number.

It is an amenable number.

212125253 is a deficient number, since it is larger than the sum of its proper divisors (15072187).

212125253 is a wasteful number, since it uses less digits than its factorization.

212125253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968.

The product of its digits is 1200, while the sum is 23.

The square root of 212125253 is about 14564.5203491224. The cubic root of 212125253 is about 596.3906019112.

Adding to 212125253 its reverse (352521212), we get a palindrome (564646465).

The spelling of 212125253 in words is "two hundred twelve million, one hundred twenty-five thousand, two hundred fifty-three".