210051433252 has 12 divisors (see below), whose sum is σ = 367868283916. Its totient is φ = 104946209280.

The previous prime is 210051433219. The next prime is 210051433321. The reversal of 210051433252 is 252334150012.

It can be written as a sum of positive squares in 2 ways, for example, as 152266965796 + 57784467456 = 390214^2 + 240384^2 .

It is a super-2 number, since 2×210051433252² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210051433252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19870893 + ... + 19881460.

Almost surely, 2^210051433252 is an apocalyptic number.

It is an amenable number.

210051433252 is a deficient number, since it is larger than the sum of its proper divisors (157816850664).

210051433252 is a wasteful number, since it uses less digits than its factorization.

210051433252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39753678 (or 39753676 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 210051433252 its reverse (252334150012), we get a palindrome (462385583264).

The spelling of 210051433252 in words is "two hundred ten billion, fifty-one million, four hundred thirty-three thousand, two hundred fifty-two".