212653143 has 12 divisors (see below), whose sum is σ = 317757960. Its totient is φ = 136880016.

The previous prime is 212653141. The next prime is 212653151. The reversal of 212653143 is 341356212.

212653143 is a `hidden beast` number, since 2 + 1 + 2 + 653 + 1 + 4 + 3 = 666.

It is not a de Polignac number, because 212653143 - 2¹ = 212653141 is a prime.

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 407121 + ... + 407642.

It is an arithmetic number, because the mean of its divisors is an integer number (26479830).

Almost surely, 2^212653143 is an apocalyptic number.

212653143 is a deficient number, since it is larger than the sum of its proper divisors (105104817).

212653143 is a wasteful number, since it uses less digits than its factorization.

212653143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814798 (or 814795 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 212653143 is about 14582.6315526382. The cubic root of 212653143 is about 596.8849133812.

The spelling of 212653143 in words is "two hundred twelve million, six hundred fifty-three thousand, one hundred forty-three".