12001010100220 has 24 divisors (see below), whose sum is σ = 25816807095408. Its totient is φ = 4683321014400.

The previous prime is 12001010100199. The next prime is 12001010100221. The reversal of 12001010100220 is 2200101010021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 12001010100197 and 12001010100206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001010100221) 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, 7317688266 + ... + 7317689905.

It is an arithmetic number, because the mean of its divisors is an integer number (1075700295642).

Almost surely, 2^{12001010100220} is an apocalyptic number.

12001010100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001010100220 is an abundant number, since it is smaller than the sum of its proper divisors (13815796995188).

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

12001010100220 is a wasteful number, since it uses less digits than its factorization.

12001010100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14635378221 (or 14635378219 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12001010100220 its reverse (2200101010021), we get a palindrome (14201111110241).

The spelling of 12001010100220 in words is "twelve trillion, one billion, ten million, one hundred thousand, two hundred twenty".