2131202112 has 112 divisors (see below), whose sum is σ = 6282171840. Its totient is φ = 633120768.

The previous prime is 2131202107. The next prime is 2131202153. The reversal of 2131202112 is 2112021312.

It is a junction number, because it is equal to n+sod(n) for n = 2131202091 and 2131202100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57663 + ... + 87105.

It is an arithmetic number, because the mean of its divisors is an integer number (56090820).

Almost surely, 2^2131202112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2131202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3141085920).

2131202112 is an abundant number, since it is smaller than the sum of its proper divisors (4150969728).

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

2131202112 is a wasteful number, since it uses less digits than its factorization.

2131202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29500 (or 29490 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2131202112 is about 46164.9446225163. The cubic root of 2131202112 is about 1286.8903550647.

Adding to 2131202112 its reverse (2112021312), we get a palindrome (4243223424).

The spelling of 2131202112 in words is "two billion, one hundred thirty-one million, two hundred two thousand, one hundred twelve".