2112420132 has 36 divisors (see below), whose sum is σ = 5484049116. Its totient is φ = 685108800.

The previous prime is 2112420131. The next prime is 2112420137. The reversal of 2112420132 is 2310242112.

It is a happy number.

2112420132 is a `hidden beast` number, since 2 + 112 + 420 + 132 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1719429156 + 392990976 = 41466^2 + 19824^2 .

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 not an unprimeable number, because it can be changed into a prime (2112420131) 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, 791619 + ... + 794282.

Almost surely, 2^2112420132 is an apocalyptic number.

It is an amenable number.

2112420132 is an abundant number, since it is smaller than the sum of its proper divisors (3371628984).

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

2112420132 is a wasteful number, since it uses less digits than its factorization.

2112420132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585948 (or 1585943 counting only the distinct ones).

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

The square root of 2112420132 is about 45961.0719196148. The cubic root of 2112420132 is about 1283.0988013459.

Adding to 2112420132 its reverse (2310242112), we get a palindrome (4422662244).

The spelling of 2112420132 in words is "two billion, one hundred twelve million, four hundred twenty thousand, one hundred thirty-two".