2130121252 has 12 divisors (see below), whose sum is σ = 4260242560. Its totient is φ = 912909096.

The previous prime is 2130121249. The next prime is 2130121297. The reversal of 2130121252 is 2521210312.

2130121252 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 38037852 + ... + 38037907.

Almost surely, 2^2130121252 is an apocalyptic number.

It is an amenable number.

2130121252 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.

2130121252 is a wasteful number, since it uses less digits than its factorization.

2130121252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76075770 (or 76075768 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2130121252 is about 46153.2366362317. The cubic root of 2130121252 is about 1286.6727652653.

Adding to 2130121252 its reverse (2521210312), we get a palindrome (4651331564).

The spelling of 2130121252 in words is "two billion, one hundred thirty million, one hundred twenty-one thousand, two hundred fifty-two".