12122201011000 has 128 divisors (see below), whose sum is σ = 28574208000000. Its totient is φ = 4813387344000.

The previous prime is 12122201010979. The next prime is 12122201011007. The reversal of 12122201011000 is 11010222121.

12122201011000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122201011007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91422751 + ... + 91555249.

It is an arithmetic number, because the mean of its divisors is an integer number (223236000000).

Almost surely, 2^{12122201011000} is an apocalyptic number.

12122201011000 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 12122201011000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14287104000000).

12122201011000 is an abundant number, since it is smaller than the sum of its proper divisors (16452006989000).

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

12122201011000 is a wasteful number, since it uses less digits than its factorization.

12122201011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133190 (or 133176 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12122201011000 its reverse (11010222121), we get a palindrome (12133211233121).

The spelling of 12122201011000 in words is "twelve trillion, one hundred twenty-two billion, two hundred one million, eleven thousand".