8212196916 has 432 divisors, whose sum is σ = 27815598720. Its totient is φ = 1995840000.

The previous prime is 8212196911. The next prime is 8212196921. The reversal of 8212196916 is 6196912128.

It is an interprime number because it is at equal distance from previous prime (8212196911) and next prime (8212196921).

It is a super-2 number, since 2×8212196916² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8212196911) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 32717791 + ... + 32718041.

It is an arithmetic number, because the mean of its divisors is an integer number (64387960).

Almost surely, 2^8212196916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8212196916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13907799360).

8212196916 is an abundant number, since it is smaller than the sum of its proper divisors (19603401804).

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

8212196916 is a wasteful number, since it uses less digits than its factorization.

8212196916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 340 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 8212196916 is about 90621.1725591763. The cubic root of 8212196916 is about 2017.5289946681.

The spelling of 8212196916 in words is "eight billion, two hundred twelve million, one hundred ninety-six thousand, nine hundred sixteen".