212682276 has 72 divisors (see below), whose sum is σ = 568713600. Its totient is φ = 66830400.

The previous prime is 212682263. The next prime is 212682277. The reversal of 212682276 is 672286212.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 212682276.

It is not an unprimeable number, because it can be changed into a prime (212682277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162826 + ... + 164126.

It is an arithmetic number, because the mean of its divisors is an integer number (7898800).

Almost surely, 2^212682276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212682276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284356800).

212682276 is an abundant number, since it is smaller than the sum of its proper divisors (356031324).

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

212682276 is a wasteful number, since it uses less digits than its factorization.

212682276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569 (or 1564 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 212682276 is about 14583.6304122122. The cubic root of 212682276 is about 596.9121694313.

The spelling of 212682276 in words is "two hundred twelve million, six hundred eighty-two thousand, two hundred seventy-six".