2142204512 has 48 divisors (see below), whose sum is σ = 4828132512. Its totient is φ = 916531200.

The previous prime is 2142204511. The next prime is 2142204523. The reversal of 2142204512 is 2154022412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142204511) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 129512 + ... + 145112.

It is an arithmetic number, because the mean of its divisors is an integer number (100586094).

Almost surely, 2^2142204512 is an apocalyptic number.

It is an amenable number.

2142204512 is an abundant number, since it is smaller than the sum of its proper divisors (2685928000).

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

2142204512 is a wasteful number, since it uses less digits than its factorization.

2142204512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16231 (or 16223 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2142204512 is about 46283.9552328882. The cubic root of 2142204512 is about 1289.1010928098.

Adding to 2142204512 its reverse (2154022412), we get a palindrome (4296226924).

The spelling of 2142204512 in words is "two billion, one hundred forty-two million, two hundred four thousand, five hundred twelve".