212368854650568 has 256 divisors, whose sum is σ = 662589367971840. Its totient is φ = 55105723008000.

The previous prime is 212368854650549. The next prime is 212368854650597. The reversal of 212368854650568 is 865056458863212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15172448146 + ... + 15172462142.

It is an arithmetic number, because the mean of its divisors is an integer number (2588239718640).

Almost surely, 2^{212368854650568} is an apocalyptic number.

212368854650568 is a gapful number since it is divisible by the number (28) 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 212368854650568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331294683985920).

212368854650568 is an abundant number, since it is smaller than the sum of its proper divisors (450220513321272).

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

212368854650568 is a wasteful number, since it uses less digits than its factorization.

212368854650568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21628 (or 21624 counting only the distinct ones).

The product of its (nonzero) digits is 663552000, while the sum is 69.

The spelling of 212368854650568 in words is "two hundred twelve trillion, three hundred sixty-eight billion, eight hundred fifty-four million, six hundred fifty thousand, five hundred sixty-eight".