2011242132 has 18 divisors (see below), whose sum is σ = 5083973258. Its totient is φ = 670414032.

The previous prime is 2011242127. The next prime is 2011242143. The reversal of 2011242132 is 2312421102.

It is a happy number.

2011242132 is a `hidden beast` number, since 201 + 12 + 421 + 32 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1860541956 + 150700176 = 43134^2 + 12276^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27933883 + ... + 27933954.

Almost surely, 2^2011242132 is an apocalyptic number.

It is an amenable number.

2011242132 is an abundant number, since it is smaller than the sum of its proper divisors (3072731126).

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

2011242132 is a wasteful number, since it uses less digits than its factorization.

2011242132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55867847 (or 55867842 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2011242132 is about 44846.8742723504. The cubic root of 2011242132 is about 1262.2773402318.

Adding to 2011242132 its reverse (2312421102), we get a palindrome (4323663234).

The spelling of 2011242132 in words is "two billion, eleven million, two hundred forty-two thousand, one hundred thirty-two".