210212381712 has 40 divisors (see below), whose sum is σ = 543065187040. Its totient is φ = 70068660480.

The previous prime is 210212381711. The next prime is 210212381747. The reversal of 210212381712 is 217183212012.

It is a self number, because there is not a number n which added to its sum of digits gives 210212381712.

It is not an unprimeable number, because it can be changed into a prime (210212381711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2774412 + ... + 2849172.

It is an arithmetic number, because the mean of its divisors is an integer number (13576629676).

Almost surely, 2^210212381712 is an apocalyptic number.

It is an amenable number.

210212381712 is an abundant number, since it is smaller than the sum of its proper divisors (332852805328).

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

210212381712 is a wasteful number, since it uses less digits than its factorization.

210212381712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133351 (or 133345 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

Adding to 210212381712 its reverse (217183212012), we get a palindrome (427395593724).

The spelling of 210212381712 in words is "two hundred ten billion, two hundred twelve million, three hundred eighty-one thousand, seven hundred twelve".