2131120012 has 24 divisors (see below), whose sum is σ = 4263785120. Its totient is φ = 913006080.

The previous prime is 2131120001. The next prime is 2131120021. The reversal of 2131120012 is 2100211312.

It is a junction number, because it is equal to n+sod(n) for n = 2131119974 and 2131120001.

It is an unprimeable number.

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, 74812 + ... + 99292.

Almost surely, 2^2131120012 is an apocalyptic number.

It is an amenable number.

2131120012 is an abundant number, since it is smaller than the sum of its proper divisors (2132665108).

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

2131120012 is a wasteful number, since it uses less digits than its factorization.

2131120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27601 (or 27599 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2131120012 is about 46164.0554111096. The cubic root of 2131120012 is about 1286.8738299536.

Adding to 2131120012 its reverse (2100211312), we get a palindrome (4231331324).

The spelling of 2131120012 in words is "two billion, one hundred thirty-one million, one hundred twenty thousand, twelve".