12201120121320 has 192 divisors, whose sum is σ = 42816601900800. Its totient is φ = 2995427796480.

The previous prime is 12201120121303. The next prime is 12201120121357. The reversal of 12201120121320 is 2312102110221.

12201120121320 is a `hidden beast` number, since 1 + 2 + 201 + 1 + 20 + 121 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12201120121293 and 12201120121302.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1665696 + ... + 5213135.

It is an arithmetic number, because the mean of its divisors is an integer number (223003134900).

Almost surely, 2^{12201120121320} is an apocalyptic number.

12201120121320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12201120121320 is an abundant number, since it is smaller than the sum of its proper divisors (30615481779480).

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

12201120121320 is a wasteful number, since it uses less digits than its factorization.

12201120121320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6879240 (or 6879233 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12201120121320 its reverse (2312102110221), we get a palindrome (14513222231541).

The spelling of 12201120121320 in words is "twelve trillion, two hundred one billion, one hundred twenty million, one hundred twenty-one thousand, three hundred twenty".