212140132 has 48 divisors (see below), whose sum is σ = 398805120. Its totient is φ = 98512128.

The previous prime is 212140121. The next prime is 212140141. The reversal of 212140132 is 231041212.

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, 677608 + ... + 677920.

It is an arithmetic number, because the mean of its divisors is an integer number (8308440).

Almost surely, 2^212140132 is an apocalyptic number.

It is an amenable number.

212140132 is a deficient number, since it is larger than the sum of its proper divisors (186664988).

212140132 is a wasteful number, since it uses less digits than its factorization.

212140132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 212140132 is about 14565.0311362523. The cubic root of 212140132 is about 596.4045456987.

Adding to 212140132 its reverse (231041212), we get a palindrome (443181344).

The spelling of 212140132 in words is "two hundred twelve million, one hundred forty thousand, one hundred thirty-two".