12100211101220 has 48 divisors (see below), whose sum is σ = 27729821750400. Its totient is φ = 4398594520320.

The previous prime is 12100211101211. The next prime is 12100211101241. The reversal of 12100211101220 is 2210111200121.

It is a junction number, because it is equal to n+sod(n) for n = 12100211101195 and 12100211101204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8609360 + ... + 9915719.

It is an arithmetic number, because the mean of its divisors is an integer number (577704619800).

Almost surely, 2^{12100211101220} is an apocalyptic number.

12100211101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12100211101220 is an abundant number, since it is smaller than the sum of its proper divisors (15629610649180).

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

12100211101220 is a wasteful number, since it uses less digits than its factorization.

12100211101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18528068 (or 18528066 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12100211101220 its reverse (2210111200121), we get a palindrome (14310322301341).

The spelling of 12100211101220 in words is "twelve trillion, one hundred billion, two hundred eleven million, one hundred one thousand, two hundred twenty".