2132121140 has 24 divisors (see below), whose sum is σ = 4492051872. Its totient is φ = 850068000.

The previous prime is 2132121127. The next prime is 2132121149. The reversal of 2132121140 is 411212312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132121149) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 167486 + ... + 179765.

It is an arithmetic number, because the mean of its divisors is an integer number (187168828).

Almost surely, 2^2132121140 is an apocalyptic number.

2132121140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2132121140 is an abundant number, since it is smaller than the sum of its proper divisors (2359930732).

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

2132121140 is a wasteful number, since it uses less digits than its factorization.

2132121140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347567 (or 347565 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2132121140 is about 46174.8972927932. The cubic root of 2132121140 is about 1287.0753083205.

Adding to 2132121140 its reverse (411212312), we get a palindrome (2543333452).

The spelling of 2132121140 in words is "two billion, one hundred thirty-two million, one hundred twenty-one thousand, one hundred forty".