12030202112 has 36 divisors (see below), whose sum is σ = 24251219916. Its totient is φ = 5955532800.

The previous prime is 12030202103. The next prime is 12030202117. The reversal of 12030202112 is 21120203021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9971220736 + 2058981376 = 99856^2 + 45376^2 .

It is not an unprimeable number, because it can be changed into a prime (12030202117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206783 + ... + 258494.

Almost surely, 2^12030202112 is an apocalyptic number.

It is an amenable number.

12030202112 is an abundant number, since it is smaller than the sum of its proper divisors (12221017804).

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

12030202112 is an equidigital number, since it uses as much as digits as its factorization.

12030202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465394 (or 465380 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12030202112 its reverse (21120203021), we get a palindrome (33150405133).

Subtracting 12030202112 from its reverse (21120203021), we obtain a palindrome (9090000909).

The spelling of 12030202112 in words is "twelve billion, thirty million, two hundred two thousand, one hundred twelve".