212204550260640 has 576 divisors, whose sum is σ = 794226942109440. Its totient is φ = 47469942374400.

The previous prime is 212204550260629. The next prime is 212204550260657. The reversal of 212204550260640 is 46062055402212.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 499658301 + ... + 500082819.

It is an arithmetic number, because the mean of its divisors is an integer number (1378866218940).

Almost surely, 2^{212204550260640} is an apocalyptic number.

212204550260640 is a gapful number since it is divisible by the number (20) 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 212204550260640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397113471054720).

212204550260640 is an abundant number, since it is smaller than the sum of its proper divisors (582022391848800).

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

212204550260640 is a wasteful number, since it uses less digits than its factorization.

212204550260640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425005 (or 424990 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 212204550260640 in words is "two hundred twelve trillion, two hundred four billion, five hundred fifty million, two hundred sixty thousand, six hundred forty".