2123132142 has 24 divisors (see below), whose sum is σ = 4510741176. Its totient is φ = 666080128.

The previous prime is 2123132119. The next prime is 2123132153. The reversal of 2123132142 is 2412313212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 610473 + ... + 613940.

It is an arithmetic number, because the mean of its divisors is an integer number (187947549).

Almost surely, 2^2123132142 is an apocalyptic number.

2123132142 is an abundant number, since it is smaller than the sum of its proper divisors (2387609034).

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

2123132142 is a wasteful number, since it uses less digits than its factorization.

2123132142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224452 (or 1224435 counting only the distinct ones).

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

The square root of 2123132142 is about 46077.4580679100. The cubic root of 2123132142 is about 1285.2639955816.

Adding to 2123132142 its reverse (2412313212), we get a palindrome (4535445354).

The spelling of 2123132142 in words is "two billion, one hundred twenty-three million, one hundred thirty-two thousand, one hundred forty-two".