202147112 has 8 divisors (see below), whose sum is σ = 379025850. Its totient is φ = 101073552.

The previous prime is 202147109. The next prime is 202147123. The reversal of 202147112 is 211741202.

It can be written as a sum of positive squares in only one way, i.e., 185123236 + 17023876 = 13606^2 + 4126^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12634187 + ... + 12634202.

Almost surely, 2^202147112 is an apocalyptic number.

It is an amenable number.

202147112 is a deficient number, since it is larger than the sum of its proper divisors (176878738).

202147112 is a wasteful number, since it uses less digits than its factorization.

202147112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25268395 (or 25268391 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 202147112 is about 14217.8448437166. The cubic root of 202147112 is about 586.8888343015. Note that the first 4 decimals are identical.

Adding to 202147112 its reverse (211741202), we get a palindrome (413888314).

The spelling of 202147112 in words is "two hundred two million, one hundred forty-seven thousand, one hundred twelve".