322212051216 has 240 divisors, whose sum is σ = 1016308999680. Its totient is φ = 94411008000.

The previous prime is 322212051211. The next prime is 322212051221. The reversal of 322212051216 is 612150212223.

322212051216 is a `hidden beast` number, since 3 + 2 + 22 + 120 + 512 + 1 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (322212051211) and next prime (322212051221).

It is a self number, because there is not a number n which added to its sum of digits gives 322212051216.

It is not an unprimeable number, because it can be changed into a prime (322212051211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85488180 + ... + 85491948.

It is an arithmetic number, because the mean of its divisors is an integer number (4234620832).

Almost surely, 2^322212051216 is an apocalyptic number.

322212051216 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322212051216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508154499840).

322212051216 is an abundant number, since it is smaller than the sum of its proper divisors (694096948464).

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

322212051216 is a wasteful number, since it uses less digits than its factorization.

322212051216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5566 (or 5557 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 322212051216 its reverse (612150212223), we get a palindrome (934362263439).

The spelling of 322212051216 in words is "three hundred twenty-two billion, two hundred twelve million, fifty-one thousand, two hundred sixteen".