12210003122000 has 80 divisors (see below), whose sum is σ = 29540695708992. Its totient is φ = 4881204201600.

The previous prime is 12210003121961. The next prime is 12210003122003. The reversal of 12210003122000 is 22130001221.

It is a happy number.

12210003122000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210003122003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1746719 + ... + 5241281.

Almost surely, 2^{12210003122000} is an apocalyptic number.

12210003122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12210003122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14770347854496).

12210003122000 is an abundant number, since it is smaller than the sum of its proper divisors (17330692586992).

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

12210003122000 is a wasteful number, since it uses less digits than its factorization.

12210003122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496333 (or 3496317 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12210003122000 its reverse (22130001221), we get a palindrome (12232133123221).

The spelling of 12210003122000 in words is "twelve trillion, two hundred ten billion, three million, one hundred twenty-two thousand".