212653144 has 24 divisors (see below), whose sum is σ = 438269580. Its totient is φ = 96660080.

The previous prime is 212653141. The next prime is 212653151. The reversal of 212653144 is 441356212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212653141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108874 + ... + 110809.

Almost surely, 2^212653144 is an apocalyptic number.

It is an amenable number.

212653144 is an abundant number, since it is smaller than the sum of its proper divisors (225616436).

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

212653144 is a wasteful number, since it uses less digits than its factorization.

212653144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219711 (or 219696 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 212653144 is about 14582.6315869256. The cubic root of 212653144 is about 596.8849143168.

It can be divided in two parts, 212 and 653144, that added together give a palindrome (653356).

The spelling of 212653144 in words is "two hundred twelve million, six hundred fifty-three thousand, one hundred forty-four".