212707212 has 48 divisors (see below), whose sum is σ = 504118272. Its totient is φ = 69796800.

The previous prime is 212707169. The next prime is 212707217.

212707212 is nontrivially palindromic in base 10.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (212707217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269883 + ... + 270669.

It is an arithmetic number, because the mean of its divisors is an integer number (10502464).

Almost surely, 2^212707212 is an apocalyptic number.

It is an amenable number.

212707212 is an abundant number, since it is smaller than the sum of its proper divisors (291411060).

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

212707212 is a wasteful number, since it uses less digits than its factorization.

212707212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 212707212 is about 14584.4853183100. The cubic root of 212707212 is about 596.9354969043.

It can be divided in two parts, 21270 and 7212, that added together give a palindrome (28482).

The spelling of 212707212 in words is "two hundred twelve million, seven hundred seven thousand, two hundred twelve".