2124120312 has 48 divisors (see below), whose sum is σ = 5951205000. Its totient is φ = 683624256.

The previous prime is 2124120287. The next prime is 2124120343. The reversal of 2124120312 is 2130214212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 506562 + ... + 510737.

Almost surely, 2^2124120312 is an apocalyptic number.

It is an amenable number.

2124120312 is an abundant number, since it is smaller than the sum of its proper divisors (3827084688).

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

2124120312 is a wasteful number, since it uses less digits than its factorization.

2124120312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017340 (or 1017333 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2124120312 is about 46088.1797427497. The cubic root of 2124120312 is about 1285.4633649169.

Adding to 2124120312 its reverse (2130214212), we get a palindrome (4254334524).

The spelling of 2124120312 in words is "two billion, one hundred twenty-four million, one hundred twenty thousand, three hundred twelve".