212701012 has 24 divisors (see below), whose sum is σ = 383411336. Its totient is φ = 103171968.

The previous prime is 212701009. The next prime is 212701061. The reversal of 212701012 is 210107212.

It can be written as a sum of positive squares in 4 ways, for example, as 147962896 + 64738116 = 12164^2 + 8046^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53278 + ... + 57130.

Almost surely, 2^212701012 is an apocalyptic number.

It is an amenable number.

212701012 is a deficient number, since it is larger than the sum of its proper divisors (170710324).

212701012 is a wasteful number, since it uses less digits than its factorization.

212701012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267 (or 4265 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 212701012 is about 14584.2727621229. The cubic root of 212701012 is about 596.9296970132.

Adding to 212701012 its reverse (210107212), we get a palindrome (422808224).

The spelling of 212701012 in words is "two hundred twelve million, seven hundred one thousand, twelve".