212756739981120 has 672 divisors, whose sum is σ = 770761932175872. Its totient is φ = 55853033269248.

The previous prime is 212756739981091. The next prime is 212756739981167. The reversal of 212756739981120 is 21189937657212.

It is a happy number.

212756739981120 is a `hidden beast` number, since 2 + 1 + 2 + 7 + 567 + 39 + 9 + 8 + 11 + 20 = 666.

It is a congruent number.

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, 1826446399 + ... + 1826562881.

It is an arithmetic number, because the mean of its divisors is an integer number (1146967160976).

Almost surely, 2^{212756739981120} is an apocalyptic number.

212756739981120 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 212756739981120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385380966087936).

212756739981120 is an abundant number, since it is smaller than the sum of its proper divisors (558005192194752).

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

212756739981120 is a wasteful number, since it uses less digits than its factorization.

212756739981120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116881 (or 116859 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 63.

The spelling of 212756739981120 in words is "two hundred twelve trillion, seven hundred fifty-six billion, seven hundred thirty-nine million, nine hundred eighty-one thousand, one hundred twenty".