212240660862 has 64 divisors (see below), whose sum is σ = 465870643200. Its totient is φ = 64202544000.

The previous prime is 212240660857. The next prime is 212240660867. The reversal of 212240660862 is 268066042212.

It is an interprime number because it is at equal distance from previous prime (212240660857) and next prime (212240660867).

It is a self number, because there is not a number n which added to its sum of digits gives 212240660862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212240660867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167112 + ... + 672612.

It is an arithmetic number, because the mean of its divisors is an integer number (7279228800).

Almost surely, 2^212240660862 is an apocalyptic number.

212240660862 is an abundant number, since it is smaller than the sum of its proper divisors (253629982338).

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

212240660862 is a wasteful number, since it uses less digits than its factorization.

212240660862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505681.

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 212240660862 in words is "two hundred twelve billion, two hundred forty million, six hundred sixty thousand, eight hundred sixty-two".