2131120412 has 12 divisors (see below), whose sum is σ = 3732503880. Its totient is φ = 1064690736.

The previous prime is 2131120379. The next prime is 2131120429. The reversal of 2131120412 is 2140211312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211838 + ... + 221669.

It is an arithmetic number, because the mean of its divisors is an integer number (311041990).

Almost surely, 2^2131120412 is an apocalyptic number.

It is an amenable number.

2131120412 is a deficient number, since it is larger than the sum of its proper divisors (1601383468).

2131120412 is a wasteful number, since it uses less digits than its factorization.

2131120412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434740 (or 434738 counting only the distinct ones).

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

The square root of 2131120412 is about 46164.0597434844. The cubic root of 2131120412 is about 1286.8739104667.

Adding to 2131120412 its reverse (2140211312), we get a palindrome (4271331724).

The spelling of 2131120412 in words is "two billion, one hundred thirty-one million, one hundred twenty thousand, four hundred twelve".