212032144 has 20 divisors (see below), whose sum is σ = 411829420. Its totient is φ = 105753600.

The previous prime is 212032133. The next prime is 212032151. The reversal of 212032144 is 441230212.

It can be written as a sum of positive squares in 2 ways, for example, as 207014544 + 5017600 = 14388^2 + 2240^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9657 + ... + 22744.

It is an arithmetic number, because the mean of its divisors is an integer number (20591471).

Almost surely, 2^212032144 is an apocalyptic number.

It is an amenable number.

212032144 is a deficient number, since it is larger than the sum of its proper divisors (199797276).

212032144 is a wasteful number, since it uses less digits than its factorization.

212032144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32818 (or 32812 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 212032144 is about 14561.3235662147. The cubic root of 212032144 is about 596.3033304237.

Adding to 212032144 its reverse (441230212), we get a palindrome (653262356).

The spelling of 212032144 in words is "two hundred twelve million, thirty-two thousand, one hundred forty-four".