12201011021112 has 32 divisors (see below), whose sum is σ = 31019519548800. Its totient is φ = 3998071407584.

The previous prime is 12201011021107. The next prime is 12201011021117. The reversal of 12201011021112 is 21112011010221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12201011021107) and next prime (12201011021117).

It is a junction number, because it is equal to n+sod(n) for n = 12201011021091 and 12201011021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201011021117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4308265188 + ... + 4308268019.

It is an arithmetic number, because the mean of its divisors is an integer number (969359985900).

Almost surely, 2^{12201011021112} is an apocalyptic number.

12201011021112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12201011021112 is an abundant number, since it is smaller than the sum of its proper divisors (18818508527688).

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

12201011021112 is a wasteful number, since it uses less digits than its factorization.

12201011021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8616533275 (or 8616533271 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12201011021112 its reverse (21112011010221), we get a palindrome (33313022031333).

The spelling of 12201011021112 in words is "twelve trillion, two hundred one billion, eleven million, twenty-one thousand, one hundred twelve".