12100002120220 has 72 divisors (see below), whose sum is σ = 29845553328864. Its totient is φ = 4108294721664.

The previous prime is 12100002120179. The next prime is 12100002120221. The reversal of 12100002120220 is 2202120000121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12100002120220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100002120221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59835667 + ... + 60037546.

It is an arithmetic number, because the mean of its divisors is an integer number (414521574012).

Almost surely, 2^{12100002120220} is an apocalyptic number.

12100002120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12100002120220 is an abundant number, since it is smaller than the sum of its proper divisors (17745551208644).

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

12100002120220 is a wasteful number, since it uses less digits than its factorization.

12100002120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119873339 (or 119873330 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12100002120220 its reverse (2202120000121), we get a palindrome (14302122120341).

The spelling of 12100002120220 in words is "twelve trillion, one hundred billion, two million, one hundred twenty thousand, two hundred twenty".