212415532 has 24 divisors (see below), whose sum is σ = 425246976. Its totient is φ = 90946128.

The previous prime is 212415529. The next prime is 212415551. The reversal of 212415532 is 235514212.

It is a junction number, because it is equal to n+sod(n) for n = 212415497 and 212415506.

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, 31143 + ... + 37345.

It is an arithmetic number, because the mean of its divisors is an integer number (17718624).

Almost surely, 2^212415532 is an apocalyptic number.

It is an amenable number.

212415532 is an abundant number, since it is smaller than the sum of its proper divisors (212831444).

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

212415532 is a wasteful number, since it uses less digits than its factorization.

212415532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7437 (or 7435 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 212415532 is about 14574.4822206485. The cubic root of 212415532 is about 596.6625179256.

Adding to 212415532 its reverse (235514212), we get a palindrome (447929744).

The spelling of 212415532 in words is "two hundred twelve million, four hundred fifteen thousand, five hundred thirty-two".