212126464 has 36 divisors (see below), whose sum is σ = 461923560. Its totient is φ = 96419840.

The previous prime is 212126443. The next prime is 212126491. The reversal of 212126464 is 464621212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34849 + ... + 40480.

It is an arithmetic number, because the mean of its divisors is an integer number (12831210).

Almost surely, 2^212126464 is an apocalyptic number.

It is an amenable number.

212126464 is an abundant number, since it is smaller than the sum of its proper divisors (249797096).

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

212126464 is an equidigital number, since it uses as much as digits as its factorization.

212126464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75356 (or 75342 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 212126464 is about 14564.5619226944. The cubic root of 212126464 is about 596.3917368188.

Adding to 212126464 its reverse (464621212), we get a palindrome (676747676).

The spelling of 212126464 in words is "two hundred twelve million, one hundred twenty-six thousand, four hundred sixty-four".