12200000121024 has 112 divisors (see below), whose sum is σ = 32810436426240. Its totient is φ = 3999743677440.

The previous prime is 12200000120993. The next prime is 12200000121151. The reversal of 12200000121024 is 42012100000221.

It is a super-2 number, since 2×12200000121024² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12200000120994 and 12200000121012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291127657 + ... + 291169559.

Almost surely, 2^{12200000121024} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12200000121024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16405218213120).

12200000121024 is an abundant number, since it is smaller than the sum of its proper divisors (20610436305216).

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

12200000121024 is a wasteful number, since it uses less digits than its factorization.

12200000121024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66838 (or 66828 counting only the distinct ones).

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

Adding to 12200000121024 its reverse (42012100000221), we get a palindrome (54212100121245).

The spelling of 12200000121024 in words is "twelve trillion, two hundred billion, one hundred twenty-one thousand, twenty-four".