202123132 has 36 divisors (see below), whose sum is σ = 382951800. Its totient is φ = 93293824.

The previous prime is 202123111. The next prime is 202123139. The reversal of 202123132 is 231321202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202123139) 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 11 ways as a sum of consecutive naturals, for example, 59619 + ... + 62917.

It is an arithmetic number, because the mean of its divisors is an integer number (10637550).

Almost surely, 2^202123132 is an apocalyptic number.

It is an amenable number.

202123132 is a deficient number, since it is larger than the sum of its proper divisors (180828668).

202123132 is a wasteful number, since it uses less digits than its factorization.

202123132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390 (or 3371 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 202123132 is about 14217.0015122740. The cubic root of 202123132 is about 586.8656265319.

Adding to 202123132 its reverse (231321202), we get a palindrome (433444334).

The spelling of 202123132 in words is "two hundred two million, one hundred twenty-three thousand, one hundred thirty-two".