12121033320330 has 64 divisors (see below), whose sum is σ = 33114854688768. Its totient is φ = 2810674391360.

The previous prime is 12121033320311. The next prime is 12121033320367. The reversal of 12121033320330 is 3302333012121.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12121033320330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 798479454 + ... + 798494633.

It is an arithmetic number, because the mean of its divisors is an integer number (517419604512).

Almost surely, 2^{12121033320330} is an apocalyptic number.

12121033320330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121033320330 is an abundant number, since it is smaller than the sum of its proper divisors (20993821368438).

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

12121033320330 is a wasteful number, since it uses less digits than its factorization.

12121033320330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596974131.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 12121033320330 its reverse (3302333012121), we get a palindrome (15423366332451).

The spelling of 12121033320330 in words is "twelve trillion, one hundred twenty-one billion, thirty-three million, three hundred twenty thousand, three hundred thirty".