212315632 has 10 divisors (see below), whose sum is σ = 411361568. Its totient is φ = 106157808.

The previous prime is 212315611. The next prime is 212315707. The reversal of 212315632 is 236513212.

It is a junction number, because it is equal to n+sod(n) for n = 212315597 and 212315606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6634848 + ... + 6634879.

Almost surely, 2^212315632 is an apocalyptic number.

It is an amenable number.

212315632 is a deficient number, since it is larger than the sum of its proper divisors (199045936).

212315632 is a wasteful number, since it uses less digits than its factorization.

212315632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13269735 (or 13269729 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 212315632 is about 14571.0545946407. The cubic root of 212315632 is about 596.5689655508.

Adding to 212315632 its reverse (236513212), we get a palindrome (448828844).

It can be divided in two parts, 212 and 315632, that added together give a square (315844 = 562²).

The spelling of 212315632 in words is "two hundred twelve million, three hundred fifteen thousand, six hundred thirty-two".