8212321368 has 24 divisors (see below), whose sum is σ = 22241703900. Its totient is φ = 2737440432.

The previous prime is 8212321367. The next prime is 8212321409. The reversal of 8212321368 is 8631232128.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8212321363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57029938 + ... + 57030081.

Almost surely, 2^8212321368 is an apocalyptic number.

It is an amenable number.

8212321368 is an abundant number, since it is smaller than the sum of its proper divisors (14029382532).

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

8212321368 is a wasteful number, since it uses less digits than its factorization.

8212321368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114060031 (or 114060024 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 8212321368 is about 90621.8592172992. The cubic root of 8212321368 is about 2017.5391861858.

The spelling of 8212321368 in words is "eight billion, two hundred twelve million, three hundred twenty-one thousand, three hundred sixty-eight".