2121234132 has 48 divisors (see below), whose sum is σ = 4995648000. Its totient is φ = 700524000.

The previous prime is 2121234113. The next prime is 2121234187. The reversal of 2121234132 is 2314321212.

It is a super-3 number, since 3×2121234132³ (a number of 29 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2121234099 and 2121234108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597619 + ... + 601157.

It is an arithmetic number, because the mean of its divisors is an integer number (104076000).

Almost surely, 2^2121234132 is an apocalyptic number.

It is an amenable number.

2121234132 is an abundant number, since it is smaller than the sum of its proper divisors (2874413868).

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

2121234132 is a wasteful number, since it uses less digits than its factorization.

2121234132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3996 (or 3994 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 2121234132 is about 46056.8576001446. The cubic root of 2121234132 is about 1284.8808868784.

Adding to 2121234132 its reverse (2314321212), we get a palindrome (4435555344).

The spelling of 2121234132 in words is "two billion, one hundred twenty-one million, two hundred thirty-four thousand, one hundred thirty-two".