212146532 has 48 divisors (see below), whose sum is σ = 415306752. Its totient is φ = 94193280.

The previous prime is 212146523. The next prime is 212146559. The reversal of 212146532 is 235641212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148373 + ... + 149795.

It is an arithmetic number, because the mean of its divisors is an integer number (8652224).

Almost surely, 2^212146532 is an apocalyptic number.

It is an amenable number.

212146532 is a deficient number, since it is larger than the sum of its proper divisors (203160220).

212146532 is a wasteful number, since it uses less digits than its factorization.

212146532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548 (or 1546 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 212146532 is about 14565.2508388974. The cubic root of 212146532 is about 596.4105432291.

Adding to 212146532 its reverse (235641212), we get a palindrome (447787744).

The spelling of 212146532 in words is "two hundred twelve million, one hundred forty-six thousand, five hundred thirty-two".