201220202112 has 256 divisors, whose sum is σ = 561326008320. Its totient is φ = 63802368000.

The previous prime is 201220202093. The next prime is 201220202119. The reversal of 201220202112 is 211202022102.

It is a junction number, because it is equal to n+sod(n) for n = 201220202091 and 201220202100.

It is not an unprimeable number, because it can be changed into a prime (201220202119) 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, 194791548 + ... + 194792580.

It is an arithmetic number, because the mean of its divisors is an integer number (2192679720).

Almost surely, 2^201220202112 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 201220202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280663004160).

201220202112 is an abundant number, since it is smaller than the sum of its proper divisors (360105806208).

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

201220202112 is a wasteful number, since it uses less digits than its factorization.

201220202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391 (or 1379 counting only the distinct ones).

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

Adding to 201220202112 its reverse (211202022102), we get a palindrome (412422224214).

The spelling of 201220202112 in words is "two hundred one billion, two hundred twenty million, two hundred two thousand, one hundred twelve".