12011001100220 has 24 divisors (see below), whose sum is σ = 26319758933664. Its totient is φ = 4595513464256.

The previous prime is 12011001100213. The next prime is 12011001100223. The reversal of 12011001100220 is 2200110011021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011001100223) 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, 13055435519 + ... + 13055436438.

It is an arithmetic number, because the mean of its divisors is an integer number (1096656622236).

Almost surely, 2^{12011001100220} is an apocalyptic number.

12011001100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011001100220 is an abundant number, since it is smaller than the sum of its proper divisors (14308757833444).

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

12011001100220 is a wasteful number, since it uses less digits than its factorization.

12011001100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26110871989 (or 26110871987 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12011001100220 its reverse (2200110011021), we get a palindrome (14211111111241).

The spelling of 12011001100220 in words is "twelve trillion, eleven billion, one million, one hundred thousand, two hundred twenty".