12021012222000 has 240 divisors, whose sum is σ = 41169601872672. Its totient is φ = 3017037926400.

The previous prime is 12021012221971. The next prime is 12021012222001. The reversal of 12021012222000 is 22221012021.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (12021012222001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1732267 + ... + 5200266.

Almost surely, 2^{12021012222000} is an apocalyptic number.

12021012222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12021012222000 is an abundant number, since it is smaller than the sum of its proper divisors (29148589650672).

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

12021012222000 is a wasteful number, since it uses less digits than its factorization.

12021012222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6932593 (or 6932560 counting only the distinct ones).

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

Adding to 12021012222000 its reverse (22221012021), we get a palindrome (12043233234021).

The spelling of 12021012222000 in words is "twelve trillion, twenty-one billion, twelve million, two hundred twenty-two thousand".