12121130312330 has 96 divisors (see below), whose sum is σ = 24749492716800. Its totient is φ = 4266467202816.

The previous prime is 12121130312329. The next prime is 12121130312341. The reversal of 12121130312330 is 3321303112121.

It is a junction number, because it is equal to n+sod(n) for n = 12121130312296 and 12121130312305.

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 47 ways as a sum of consecutive naturals, for example, 2306477 + ... + 5437103.

It is an arithmetic number, because the mean of its divisors is an integer number (257807215800).

Almost surely, 2^{12121130312330} is an apocalyptic number.

12121130312330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121130312330 is an abundant number, since it is smaller than the sum of its proper divisors (12628362404470).

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

12121130312330 is a wasteful number, since it uses less digits than its factorization.

12121130312330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130768 (or 3130755 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12121130312330 its reverse (3321303112121), we get a palindrome (15442433424451).

The spelling of 12121130312330 in words is "twelve trillion, one hundred twenty-one billion, one hundred thirty million, three hundred twelve thousand, three hundred thirty".