2130131212 has 24 divisors (see below), whose sum is σ = 4305828240. Its totient is φ = 911285760.

The previous prime is 2130131209. The next prime is 2130131231. The reversal of 2130131212 is 2121310312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1423137 + ... + 1424632.

It is an arithmetic number, because the mean of its divisors is an integer number (179409510).

Almost surely, 2^2130131212 is an apocalyptic number.

2130131212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2130131212 is an abundant number, since it is smaller than the sum of its proper divisors (2175697028).

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

2130131212 is a wasteful number, since it uses less digits than its factorization.

2130131212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2847801 (or 2847799 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2130131212 is about 46153.3445375305. The cubic root of 2130131212 is about 1286.6747706661.

Adding to 2130131212 its reverse (2121310312), we get a palindrome (4251441524).

Subtracting from 2130131212 its reverse (2121310312), we obtain a square (8820900 = 2970²).

The spelling of 2130131212 in words is "two billion, one hundred thirty million, one hundred thirty-one thousand, two hundred twelve".