212056704000 has 880 divisors, whose sum is σ = 801685540656. Its totient is φ = 55738368000.

The previous prime is 212056703959. The next prime is 212056704001. The reversal of 212056704000 is 407650212.

It can be written as a sum of positive squares in 8 ways, for example, as 193656324096 + 18400379904 = 440064^2 + 135648^2 .

It is a super-2 number, since 2×212056704000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (212056704001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1171583910 + ... + 1171584090.

Almost surely, 2^212056704000 is an apocalyptic number.

212056704000 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 212056704000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400842770328).

212056704000 is an abundant number, since it is smaller than the sum of its proper divisors (589628836656).

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

212056704000 is a wasteful number, since it uses less digits than its factorization.

212056704000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The spelling of 212056704000 in words is "two hundred twelve billion, fifty-six million, seven hundred four thousand".