12021001220012 has 12 divisors (see below), whose sum is σ = 21037244326560. Its totient is φ = 6010359983856.

The previous prime is 12021001220009. The next prime is 12021001220023. The reversal of 12021001220012 is 21002210012021.

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, 34964087 + ... + 35306222.

It is an arithmetic number, because the mean of its divisors is an integer number (1753103693880).

Almost surely, 2^{12021001220012} is an apocalyptic number.

It is an amenable number.

12021001220012 is a deficient number, since it is larger than the sum of its proper divisors (9016243106548).

12021001220012 is a wasteful number, since it uses less digits than its factorization.

12021001220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70313080 (or 70313078 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12021001220012 its reverse (21002210012021), we get a palindrome (33023211232033).

The spelling of 12021001220012 in words is "twelve trillion, twenty-one billion, one million, two hundred twenty thousand, twelve".