212797368 has 160 divisors (see below), whose sum is σ = 697656960. Its totient is φ = 59330880.

The previous prime is 212797363. The next prime is 212797373. The reversal of 212797368 is 863797212.

212797368 is a `hidden beast` number, since 212 + 79 + 7 + 368 = 666.

It is an interprime number because it is at equal distance from previous prime (212797363) and next prime (212797373).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212797363) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 194503 + ... + 195593.

It is an arithmetic number, because the mean of its divisors is an integer number (4360356).

Almost surely, 2^212797368 is an apocalyptic number.

212797368 is a gapful number since it is divisible by the number (28) 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 212797368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348828480).

212797368 is an abundant number, since it is smaller than the sum of its proper divisors (484859592).

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

212797368 is a wasteful number, since it uses less digits than its factorization.

212797368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159 (or 1146 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 212797368 is about 14587.5758095717. The cubic root of 212797368 is about 597.0198220736.

The spelling of 212797368 in words is "two hundred twelve million, seven hundred ninety-seven thousand, three hundred sixty-eight".