12101000201220 has 72 divisors (see below), whose sum is σ = 39414686379264. Its totient is φ = 2765942902464.

The previous prime is 12101000201207. The next prime is 12101000201273. The reversal of 12101000201220 is 2210200010121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12101000201196 and 12101000201205.

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 23 ways as a sum of consecutive naturals, for example, 2057990292 + ... + 2057996171.

It is an arithmetic number, because the mean of its divisors is an integer number (547426199712).

Almost surely, 2^{12101000201220} is an apocalyptic number.

12101000201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101000201220 is an abundant number, since it is smaller than the sum of its proper divisors (27313686178044).

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

12101000201220 is a wasteful number, since it uses less digits than its factorization.

12101000201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115986489 (or 4115986480 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12101000201220 its reverse (2210200010121), we get a palindrome (14311200211341).

The spelling of 12101000201220 in words is "twelve trillion, one hundred one billion, two hundred one thousand, two hundred twenty".