12022012112 has 30 divisors (see below), whose sum is σ = 25602667314. Its totient is φ = 5464550080.

The previous prime is 12022012099. The next prime is 12022012127. The reversal of 12022012112 is 21121022021.

It can be written as a sum of positive squares in only one way, i.e., 9421420096 + 2600592016 = 97064^2 + 50996^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3102923 + ... + 3106794.

Almost surely, 2^12022012112 is an apocalyptic number.

It is an amenable number.

12022012112 is an abundant number, since it is smaller than the sum of its proper divisors (13580655202).

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

12022012112 is a wasteful number, since it uses less digits than its factorization.

12022012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6209747 (or 6209730 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12022012112 its reverse (21121022021), we get a palindrome (33143034133).

Subtracting 12022012112 from its reverse (21121022021), we obtain a palindrome (9099009909).

The spelling of 12022012112 in words is "twelve billion, twenty-two million, twelve thousand, one hundred twelve".