12201002122120 has 32 divisors (see below), whose sum is σ = 31374005457600. Its totient is φ = 4183200727488.

The previous prime is 12201002122093. The next prime is 12201002122171. The reversal of 12201002122120 is 2122120010221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12201002122094 and 12201002122103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21787503510 + ... + 21787504069.

It is an arithmetic number, because the mean of its divisors is an integer number (980437670550).

Almost surely, 2^{12201002122120} is an apocalyptic number.

12201002122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12201002122120 is an abundant number, since it is smaller than the sum of its proper divisors (19173003335480).

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

12201002122120 is a wasteful number, since it uses less digits than its factorization.

12201002122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43575007597 (or 43575007593 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12201002122120 its reverse (2122120010221), we get a palindrome (14323122132341).

The spelling of 12201002122120 in words is "twelve trillion, two hundred one billion, two million, one hundred twenty-two thousand, one hundred twenty".