202132121252 has 24 divisors (see below), whose sum is σ = 362274646272. Its totient is φ = 98650375200.

The previous prime is 202132121251. The next prime is 202132121287. The reversal of 202132121252 is 252121231202.

It is not an unprimeable number, because it can be changed into a prime (202132121251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3129908 + ... + 3193835.

It is an arithmetic number, because the mean of its divisors is an integer number (15094776928).

Almost surely, 2^202132121252 is an apocalyptic number.

It is an amenable number.

202132121252 is a deficient number, since it is larger than the sum of its proper divisors (160142525020).

202132121252 is a wasteful number, since it uses less digits than its factorization.

202132121252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6323939 (or 6323937 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 202132121252 its reverse (252121231202), we get a palindrome (454253352454).

The spelling of 202132121252 in words is "two hundred two billion, one hundred thirty-two million, one hundred twenty-one thousand, two hundred fifty-two".