212133141 has 32 divisors (see below), whose sum is σ = 343833600. Its totient is φ = 128193840.

The previous prime is 212133127. The next prime is 212133149. The reversal of 212133141 is 141331212.

It is not a de Polignac number, because 212133141 - 2⁹ = 212132629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212133149) 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 31 ways as a sum of consecutive naturals, for example, 129570 + ... + 131196.

It is an arithmetic number, because the mean of its divisors is an integer number (10744800).

Almost surely, 2^212133141 is an apocalyptic number.

It is an amenable number.

212133141 is a deficient number, since it is larger than the sum of its proper divisors (131700459).

212133141 is a wasteful number, since it uses less digits than its factorization.

212133141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086 (or 2080 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 212133141 is about 14564.7911416539. The cubic root of 212133141 is about 596.3979941959.

Adding to 212133141 its reverse (141331212), we get a palindrome (353464353).

The spelling of 212133141 in words is "two hundred twelve million, one hundred thirty-three thousand, one hundred forty-one".