212464125 has 24 divisors (see below), whose sum is σ = 383004024. Its totient is φ = 113313600.

The previous prime is 212464123. The next prime is 212464183. The reversal of 212464125 is 521464212.

212464125 is a `hidden beast` number, since 2 + 1 + 246 + 412 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12467961 + 199996164 = 3531^2 + 14142^2 .

It is not a de Polignac number, because 212464125 - 2¹ = 212464123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212464123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93304 + ... + 95553.

It is an arithmetic number, because the mean of its divisors is an integer number (15958501).

Almost surely, 2^212464125 is an apocalyptic number.

212464125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

212464125 is a deficient number, since it is larger than the sum of its proper divisors (170539899).

212464125 is a wasteful number, since it uses less digits than its factorization.

212464125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188878 (or 188865 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 212464125 is about 14576.1491828260. The cubic root of 212464125 is about 596.7080127329.

The spelling of 212464125 in words is "two hundred twelve million, four hundred sixty-four thousand, one hundred twenty-five".