212331036 has 24 divisors (see below), whose sum is σ = 497571984. Its totient is φ = 70472320.

The previous prime is 212330999. The next prime is 212331089. The reversal of 212331036 is 630133212.

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, 35175 + ... + 40766.

It is an arithmetic number, because the mean of its divisors is an integer number (20732166).

Almost surely, 2^212331036 is an apocalyptic number.

It is an amenable number.

212331036 is an abundant number, since it is smaller than the sum of its proper divisors (285240948).

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

212331036 is a wasteful number, since it uses less digits than its factorization.

212331036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76181 (or 76179 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 212331036 is about 14571.5831672471. The cubic root of 212331036 is about 596.5833926972.

Adding to 212331036 its reverse (630133212), we get a palindrome (842464248).

The spelling of 212331036 in words is "two hundred twelve million, three hundred thirty-one thousand, thirty-six".