12021201120120 has 128 divisors (see below), whose sum is σ = 37079529338880. Its totient is φ = 3115926144000.

The previous prime is 12021201120023. The next prime is 12021201120133. The reversal of 12021201120120 is 2102110212021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12021201120120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3174676 + ... + 5841315.

It is an arithmetic number, because the mean of its divisors is an integer number (289683822960).

Almost surely, 2^{12021201120120} is an apocalyptic number.

12021201120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12021201120120 is an abundant number, since it is smaller than the sum of its proper divisors (25058328218760).

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

12021201120120 is a wasteful number, since it uses less digits than its factorization.

12021201120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9016317 (or 9016313 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12021201120120 its reverse (2102110212021), we get a palindrome (14123311332141).

The spelling of 12021201120120 in words is "twelve trillion, twenty-one billion, two hundred one million, one hundred twenty thousand, one hundred twenty".