12300121212 has 48 divisors (see below), whose sum is σ = 28914412800. Its totient is φ = 4069562112.

The previous prime is 12300121189. The next prime is 12300121247. The reversal of 12300121212 is 21212100321.

12300121212 is a modest number, since divided by 121212 gives 12300 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 12300121191 and 12300121200.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 911289 + ... + 924687.

It is an arithmetic number, because the mean of its divisors is an integer number (602383600).

Almost surely, 2^12300121212 is an apocalyptic number.

12300121212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12300121212 is an abundant number, since it is smaller than the sum of its proper divisors (16614291588).

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

12300121212 is a wasteful number, since it uses less digits than its factorization.

12300121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13970 (or 13968 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12300121212 its reverse (21212100321), we get a palindrome (33512221533).

The spelling of 12300121212 in words is "twelve billion, three hundred million, one hundred twenty-one thousand, two hundred twelve".