12021200122002 has 128 divisors (see below), whose sum is σ = 25326168480000. Its totient is φ = 3798674288640.

The previous prime is 12021200121989. The next prime is 12021200122013. The reversal of 12021200122002 is 20022100212021.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3485414374 + ... + 3485417822.

It is an arithmetic number, because the mean of its divisors is an integer number (197860691250).

Almost surely, 2^{12021200122002} is an apocalyptic number.

12021200122002 is an abundant number, since it is smaller than the sum of its proper divisors (13304968357998).

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

12021200122002 is a wasteful number, since it uses less digits than its factorization.

12021200122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4716.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12021200122002 its reverse (20022100212021), we get a palindrome (32043300334023).

The spelling of 12021200122002 in words is "twelve trillion, twenty-one billion, two hundred million, one hundred twenty-two thousand, two".