2131124212 has 12 divisors (see below), whose sum is σ = 4262248480. Its totient is φ = 913338936.

The previous prime is 2131124209. The next prime is 2131124213. The reversal of 2131124212 is 2124211312.

2131124212 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2131124212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131124213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38055762 + ... + 38055817.

Almost surely, 2^2131124212 is an apocalyptic number.

It is an amenable number.

2131124212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2131124212 is a wasteful number, since it uses less digits than its factorization.

2131124212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76111590 (or 76111588 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 2131124212 is about 46164.1009010248. The cubic root of 2131124212 is about 1286.8746753411.

Adding to 2131124212 its reverse (2124211312), we get a palindrome (4255335524).

The spelling of 2131124212 in words is "two billion, one hundred thirty-one million, one hundred twenty-four thousand, two hundred twelve".