12321212203012 has 12 divisors (see below), whose sum is σ = 21763636508880. Its totient is φ = 6103030343336.

The previous prime is 12321212202973. The next prime is 12321212203043. The reversal of 12321212203012 is 21030221212321.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14393939062 + ... + 14393939917.

It is an arithmetic number, because the mean of its divisors is an integer number (1813636375740).

Almost surely, 2^{12321212203012} is an apocalyptic number.

It is an amenable number.

12321212203012 is a deficient number, since it is larger than the sum of its proper divisors (9442424305868).

12321212203012 is a wasteful number, since it uses less digits than its factorization.

12321212203012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28787879090 (or 28787879088 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12321212203012 its reverse (21030221212321), we get a palindrome (33351433415333).

The spelling of 12321212203012 in words is "twelve trillion, three hundred twenty-one billion, two hundred twelve million, two hundred three thousand, twelve".