12201111112120 has 64 divisors (see below), whose sum is σ = 33219831948480. Its totient is φ = 3937165264896.

The previous prime is 12201111112109. The next prime is 12201111112123. The reversal of 12201111112120 is 2121111110221.

It is a super-2 number, since 2×12201111112120² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12201111112094 and 12201111112103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201111112123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1281624559 + ... + 1281634078.

It is an arithmetic number, because the mean of its divisors is an integer number (519059874195).

Almost surely, 2^{12201111112120} is an apocalyptic number.

12201111112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12201111112120 is an abundant number, since it is smaller than the sum of its proper divisors (21018720836360).

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

12201111112120 is a wasteful number, since it uses less digits than its factorization.

12201111112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563258672 (or 2563258668 counting only the distinct ones).

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

Adding to 12201111112120 its reverse (2121111110221), we get a palindrome (14322222222341).

The spelling of 12201111112120 in words is "twelve trillion, two hundred one billion, one hundred eleven million, one hundred twelve thousand, one hundred twenty".