212943761280 has 384 divisors, whose sum is σ = 762067051200. Its totient is φ = 54726819840.

The previous prime is 212943761279. The next prime is 212943761291. The reversal of 212943761280 is 82167349212.

212943761280 is a `hidden beast` number, since 2 + 1 + 29 + 4 + 3 + 7 + 612 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 147161517 + ... + 147162963.

Almost surely, 2^212943761280 is an apocalyptic number.

212943761280 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 212943761280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381033525600).

212943761280 is an abundant number, since it is smaller than the sum of its proper divisors (549123289920).

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

212943761280 is a wasteful number, since it uses less digits than its factorization.

212943761280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382 (or 2367 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 212943761280 in words is "two hundred twelve billion, nine hundred forty-three million, seven hundred sixty-one thousand, two hundred eighty".