12001201120 has 48 divisors (see below), whose sum is σ = 29267457408. Its totient is φ = 4645624320.

The previous prime is 12001201111. The next prime is 12001201127. The reversal of 12001201120 is 2110210021.

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 = 12001201097 and 12001201106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001201127) 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, 1204839 + ... + 1214758.

It is an arithmetic number, because the mean of its divisors is an integer number (609738696).

Almost surely, 2^12001201120 is an apocalyptic number.

12001201120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001201120 is an abundant number, since it is smaller than the sum of its proper divisors (17266256288).

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

12001201120 is a wasteful number, since it uses less digits than its factorization.

12001201120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419643 (or 2419635 counting only the distinct ones).

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

Adding to 12001201120 its reverse (2110210021), we get a palindrome (14111411141).

The spelling of 12001201120 in words is "twelve billion, one million, two hundred one thousand, one hundred twenty".