12012121322330 has 32 divisors (see below), whose sum is σ = 21880362816000. Its totient is φ = 4747602004992.

The previous prime is 12012121322287. The next prime is 12012121322359. The reversal of 12012121322330 is 3322312121021.

It is a junction number, because it is equal to n+sod(n) for n = 12012121322296 and 12012121322305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12524450 + ... + 13449389.

It is an arithmetic number, because the mean of its divisors is an integer number (683761338000).

Almost surely, 2^{12012121322330} is an apocalyptic number.

12012121322330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012121322330 is a deficient number, since it is larger than the sum of its proper divisors (9868241493670).

12012121322330 is a wasteful number, since it uses less digits than its factorization.

12012121322330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25974398.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12012121322330 its reverse (3322312121021), we get a palindrome (15334433443351).

The spelling of 12012121322330 in words is "twelve trillion, twelve billion, one hundred twenty-one million, three hundred twenty-two thousand, three hundred thirty".