212665313010 has 16 divisors (see below), whose sum is σ = 510396751296. Its totient is φ = 56710750128.

The previous prime is 212665312987. The next prime is 212665313017. The reversal of 212665313010 is 10313566212.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 7088843767 = 212665313010 / (2 + 1 + 2 + 6 + 6 + 5 + 3 + 1 + 3 + 0 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (212665313017) 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, 3544421854 + ... + 3544421913.

It is an arithmetic number, because the mean of its divisors is an integer number (31899796956).

Almost surely, 2^212665313010 is an apocalyptic number.

212665313010 is an abundant number, since it is smaller than the sum of its proper divisors (297731438286).

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

212665313010 is a wasteful number, since it uses less digits than its factorization.

212665313010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7088843777.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 212665313010 its reverse (10313566212), we get a palindrome (222978879222).

The spelling of 212665313010 in words is "two hundred twelve billion, six hundred sixty-five million, three hundred thirteen thousand, ten".