2124121230 has 96 divisors (see below), whose sum is σ = 6885485568. Its totient is φ = 441374400.

The previous prime is 2124121213. The next prime is 2124121247. The reversal of 2124121230 is 321214212.

It is a happy number.

2124121230 is a `hidden beast` number, since 21 + 2 + 412 + 1 + 230 = 666.

It is an interprime number because it is at equal distance from previous prime (2124121213) and next prime (2124121247).

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

It is a Curzon number.

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 47 ways as a sum of consecutive naturals, for example, 146326 + ... + 160185.

It is an arithmetic number, because the mean of its divisors is an integer number (71723808).

Almost surely, 2^2124121230 is an apocalyptic number.

2124121230 is an abundant number, since it is smaller than the sum of its proper divisors (4761364338).

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

2124121230 is a wasteful number, since it uses less digits than its factorization.

2124121230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306542 (or 306539 counting only the distinct ones).

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

The square root of 2124121230 is about 46088.1897019182. The cubic root of 2124121230 is about 1285.4635501003.

Adding to 2124121230 its reverse (321214212), we get a palindrome (2445335442).

The spelling of 2124121230 in words is "two billion, one hundred twenty-four million, one hundred twenty-one thousand, two hundred thirty".