12020201112 has 32 divisors (see below), whose sum is σ = 30064034880. Its totient is φ = 4004929440.

The previous prime is 12020201099. The next prime is 12020201161. The reversal of 12020201112 is 21110202021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent 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, 57814 + ... + 165477.

It is an arithmetic number, because the mean of its divisors is an integer number (939501090).

Almost surely, 2^12020201112 is an apocalyptic number.

12020201112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12020201112 is an abundant number, since it is smaller than the sum of its proper divisors (18043833768).

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

12020201112 is a wasteful number, since it uses less digits than its factorization.

12020201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225543 (or 225539 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12020201112 its reverse (21110202021), we get a palindrome (33130403133).

Subtracting 12020201112 from its reverse (21110202021), we obtain a palindrome (9090000909).

The spelling of 12020201112 in words is "twelve billion, twenty million, two hundred one thousand, one hundred twelve".