210157207252 has 12 divisors (see below), whose sum is σ = 367924207840. Its totient is φ = 105036005016.

The previous prime is 210157207189. The next prime is 210157207319. The reversal of 210157207252 is 252702751012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10638552 + ... + 10658287.

Almost surely, 2^210157207252 is an apocalyptic number.

It is an amenable number.

210157207252 is a deficient number, since it is larger than the sum of its proper divisors (157767000588).

210157207252 is a wasteful number, since it uses less digits than its factorization.

210157207252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21299310 (or 21299308 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

Adding to 210157207252 its reverse (252702751012), we get a palindrome (462859958264).

The spelling of 210157207252 in words is "two hundred ten billion, one hundred fifty-seven million, two hundred seven thousand, two hundred fifty-two".