201017412 has 36 divisors (see below), whose sum is σ = 509012140. Its totient is φ = 66889152.

The previous prime is 201017381. The next prime is 201017417. The reversal of 201017412 is 214710102.

201017412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7918596 + 193098816 = 2814^2 + 13896^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (201017417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17514 + ... + 26622.

Almost surely, 2^201017412 is an apocalyptic number.

It is an amenable number.

201017412 is an abundant number, since it is smaller than the sum of its proper divisors (307994728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201017412 is a wasteful number, since it uses less digits than its factorization.

201017412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9732 (or 9727 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 201017412 is about 14178.0609393527. The cubic root of 201017412 is about 585.7935144403.

Adding to 201017412 its reverse (214710102), we get a palindrome (415727514).

The spelling of 201017412 in words is "two hundred one million, seventeen thousand, four hundred twelve".