212075370 has 96 divisors (see below), whose sum is σ = 608431824. Its totient is φ = 50918400.

The previous prime is 212075333. The next prime is 212075377. The reversal of 212075370 is 73570212.

212075370 is a `hidden beast` number, since 2 + 120 + 7 + 537 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 34892649 + 177182721 = 5907^2 + 13311^2 .

It is not an unprimeable number, because it can be changed into a prime (212075377) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 45760 + ... + 50180.

Almost surely, 2^212075370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212075370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304215912).

212075370 is an abundant number, since it is smaller than the sum of its proper divisors (396356454).

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

212075370 is a wasteful number, since it uses less digits than its factorization.

212075370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4488 (or 4485 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 212075370 is about 14562.8077649882. The cubic root of 212075370 is about 596.3438495260.

The spelling of 212075370 in words is "two hundred twelve million, seventy-five thousand, three hundred seventy".