210125652250 has 16 divisors (see below), whose sum is σ = 393355221480. Its totient is φ = 84050260800.

The previous prime is 210125652241. The next prime is 210125652251. The reversal of 210125652250 is 52256521012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18769274001 + 191356378249 = 137001^2 + 437443^2 .

It is not an unprimeable number, because it can be changed into a prime (210125652251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420251055 + ... + 420251554.

Almost surely, 2^210125652250 is an apocalyptic number.

210125652250 is a deficient number, since it is larger than the sum of its proper divisors (183229569230).

210125652250 is an equidigital number, since it uses as much as digits as its factorization.

210125652250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840502626 (or 840502616 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 210125652250 in words is "two hundred ten billion, one hundred twenty-five million, six hundred fifty-two thousand, two hundred fifty".