212787732066712 has 256 divisors, whose sum is σ = 447323134003200. Its totient is φ = 94873680000000.

The previous prime is 212787732066703. The next prime is 212787732066737. The reversal of 212787732066712 is 217660237787212.

It is a congruent 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, 64461595462 + ... + 64461598762.

It is an arithmetic number, because the mean of its divisors is an integer number (1747355992200).

Almost surely, 2^{212787732066712} is an apocalyptic number.

212787732066712 is a gapful number since it is divisible by the number (22) 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 212787732066712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223661567001600).

212787732066712 is an abundant number, since it is smaller than the sum of its proper divisors (234535401936488).

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

212787732066712 is a wasteful number, since it uses less digits than its factorization.

212787732066712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3951 (or 3925 counting only the distinct ones).

The product of its (nonzero) digits is 33191424, while the sum is 61.

The spelling of 212787732066712 in words is "two hundred twelve trillion, seven hundred eighty-seven billion, seven hundred thirty-two million, sixty-six thousand, seven hundred twelve".