201005512 has 8 divisors (see below), whose sum is σ = 376885350. Its totient is φ = 100502752.

The previous prime is 201005489. The next prime is 201005513. The reversal of 201005512 is 215500102.

It can be written as a sum of positive squares in only one way, i.e., 184796836 + 16208676 = 13594^2 + 4026^2 .

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

It is not an unprimeable number, because it can be changed into a prime (201005513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12562837 + ... + 12562852.

Almost surely, 2^201005512 is an apocalyptic number.

It is an amenable number.

201005512 is a deficient number, since it is larger than the sum of its proper divisors (175879838).

201005512 is a wasteful number, since it uses less digits than its factorization.

201005512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25125695 (or 25125691 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 201005512 is about 14177.6412706769. The cubic root of 201005512 is about 585.7819547777.

Adding to 201005512 its reverse (215500102), we get a palindrome (416505614).

The spelling of 201005512 in words is "two hundred one million, five thousand, five hundred twelve".