12021001222000 has 40 divisors (see below), whose sum is σ = 29066780959632. Its totient is φ = 4808400488000.

The previous prime is 12021001221947. The next prime is 12021001222033. The reversal of 12021001222000 is 22210012021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3005248306 + ... + 3005252305.

Almost surely, 2^{12021001222000} is an apocalyptic number.

12021001222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12021001222000 is an abundant number, since it is smaller than the sum of its proper divisors (17045779737632).

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

12021001222000 is an equidigital number, since it uses as much as digits as its factorization.

12021001222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6010500634 (or 6010500618 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12021001222000 its reverse (22210012021), we get a palindrome (12043211234021).

It can be divided in two parts, 12021001 and 222000, that added together give a square (12243001 = 3499²).

The spelling of 12021001222000 in words is "twelve trillion, twenty-one billion, one million, two hundred twenty-two thousand".