210513142252 has 48 divisors (see below), whose sum is σ = 422921092608. Its totient is φ = 89814735360.

The previous prime is 210513142249. The next prime is 210513142261. The reversal of 210513142252 is 252241315012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 210513142252.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6113628 + ... + 6147964.

It is an arithmetic number, because the mean of its divisors is an integer number (8810856096).

Almost surely, 2^210513142252 is an apocalyptic number.

It is an amenable number.

210513142252 is an abundant number, since it is smaller than the sum of its proper divisors (212407950356).

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

210513142252 is a wasteful number, since it uses less digits than its factorization.

210513142252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35326 (or 35324 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 210513142252 its reverse (252241315012), we get a palindrome (462754457264).

The spelling of 210513142252 in words is "two hundred ten billion, five hundred thirteen million, one hundred forty-two thousand, two hundred fifty-two".