12021222322000 has 40 divisors (see below), whose sum is σ = 29067315579432. Its totient is φ = 4808488928000.

The previous prime is 12021222321971. The next prime is 12021222322013. The reversal of 12021222322000 is 22322212021.

It can be written as a sum of positive squares in 4 ways, for example, as 3867090786064 + 8154131535936 = 1966492^2 + 2855544^2 .

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

It is a super-2 number, since 2×12021222322000² (a number of 27 digits) contains 22 as substring.

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, 3005303581 + ... + 3005307580.

Almost surely, 2^{12021222322000} is an apocalyptic number.

12021222322000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12021222322000 is an abundant number, since it is smaller than the sum of its proper divisors (17046093257432).

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

12021222322000 is an equidigital number, since it uses as much as digits as its factorization.

12021222322000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6010611184 (or 6010611168 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12021222322000 its reverse (22322212021), we get a palindrome (12043544534021).

The spelling of 12021222322000 in words is "twelve trillion, twenty-one billion, two hundred twenty-two million, three hundred twenty-two thousand".