12202200128 has 56 divisors (see below), whose sum is σ = 24867851712. Its totient is φ = 5937329664.

The previous prime is 12202200107. The next prime is 12202200151. The reversal of 12202200128 is 82100220221.

It is a happy 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, 754301 + ... + 770307.

Almost surely, 2^12202200128 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 12202200128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12433925856).

12202200128 is an abundant number, since it is smaller than the sum of its proper divisors (12665651584).

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

12202200128 is a wasteful number, since it uses less digits than its factorization.

12202200128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16339 (or 16329 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12202200128 its reverse (82100220221), we get a palindrome (94302420349).

The spelling of 12202200128 in words is "twelve billion, two hundred two million, two hundred thousand, one hundred twenty-eight".