2121304230 has 48 divisors (see below), whose sum is σ = 5539116960. Its totient is φ = 563247744.

The previous prime is 2121304223. The next prime is 2121304243. The reversal of 2121304230 is 324031212.

2121304230 is a `hidden beast` number, since 212 + 1 + 30 + 423 + 0 = 666.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29610 + ... + 71549.

It is an arithmetic number, because the mean of its divisors is an integer number (115398270).

Almost surely, 2^2121304230 is an apocalyptic number.

2121304230 is an abundant number, since it is smaller than the sum of its proper divisors (3417812730).

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

2121304230 is a wasteful number, since it uses less digits than its factorization.

2121304230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101405 (or 101402 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2121304230 is about 46057.6185880252. The cubic root of 2121304230 is about 1284.8950400525.

Adding to 2121304230 its reverse (324031212), we get a palindrome (2445335442).

The spelling of 2121304230 in words is "two billion, one hundred twenty-one million, three hundred four thousand, two hundred thirty".