12121430250330 has 24 divisors (see below), whose sum is σ = 31515718651092. Its totient is φ = 3232381400064.

The previous prime is 12121430250247. The next prime is 12121430250343. The reversal of 12121430250330 is 3305203412121.

12121430250330 is a `hidden beast` number, since 1 + 2 + 1 + 21 + 4 + 302 + 5 + 0 + 330 = 666.

12121430250330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11690675620569 + 430754629761 = 3419163^2 + 656319^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12121430250294 and 12121430250303.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67341279079 + ... + 67341279258.

Almost surely, 2^{12121430250330} is an apocalyptic number.

12121430250330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121430250330 is an abundant number, since it is smaller than the sum of its proper divisors (19394288400762).

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

12121430250330 is a wasteful number, since it uses less digits than its factorization.

12121430250330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134682558350 (or 134682558347 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 12121430250330 its reverse (3305203412121), we get a palindrome (15426633662451).

The spelling of 12121430250330 in words is "twelve trillion, one hundred twenty-one billion, four hundred thirty million, two hundred fifty thousand, three hundred thirty".