12021122063100 has 432 divisors, whose sum is σ = 37823140101600. Its totient is φ = 2945529446400.

The previous prime is 12021122063047. The next prime is 12021122063101. The reversal of 12021122063100 is 136022112021.

It is a super-2 number, since 2×12021122063100² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021122063101) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 768164076 + ... + 768179724.

It is an arithmetic number, because the mean of its divisors is an integer number (87553565050).

Almost surely, 2^{12021122063100} is an apocalyptic number.

12021122063100 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 12021122063100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18911570050800).

12021122063100 is an abundant number, since it is smaller than the sum of its proper divisors (25802018038500).

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

12021122063100 is a wasteful number, since it uses less digits than its factorization.

12021122063100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15918 (or 15892 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12021122063100 its reverse (136022112021), we get a palindrome (12157144175121).

The spelling of 12021122063100 in words is "twelve trillion, twenty-one billion, one hundred twenty-two million, sixty-three thousand, one hundred".