202230123220112 has 160 divisors (see below), whose sum is σ = 427656434173920. Its totient is φ = 92634980106240.

The previous prime is 202230123220061. The next prime is 202230123220121. The reversal of 202230123220112 is 211022321032202.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 189933711342736 + 12296411877376 = 13781644^2 + 3506624^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4862098388 + ... + 4862139980.

It is an arithmetic number, because the mean of its divisors is an integer number (2672852713587).

Almost surely, 2^{202230123220112} 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 202230123220112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213828217086960).

202230123220112 is an abundant number, since it is smaller than the sum of its proper divisors (225426310953808).

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

202230123220112 is a wasteful number, since it uses less digits than its factorization.

202230123220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42678 (or 42646 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 202230123220112 its reverse (211022321032202), we get a palindrome (413252444252314).

The spelling of 202230123220112 in words is "two hundred two trillion, two hundred thirty billion, one hundred twenty-three million, two hundred twenty thousand, one hundred twelve".