12002120220020 has 48 divisors (see below), whose sum is σ = 29392947494400. Its totient is φ = 4115012644512.

The previous prime is 12002120219989. The next prime is 12002120220049. The reversal of 12002120220020 is 2002202120021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 12002120219977 and 12002120220004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 874783244 + ... + 874796963.

It is an arithmetic number, because the mean of its divisors is an integer number (612353072800).

Almost surely, 2^{12002120220020} is an apocalyptic number.

12002120220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002120220020 is an abundant number, since it is smaller than the sum of its proper divisors (17390827274380).

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

12002120220020 is a wasteful number, since it uses less digits than its factorization.

12002120220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749580237 (or 1749580221 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12002120220020 its reverse (2002202120021), we get a palindrome (14004322340041).

The spelling of 12002120220020 in words is "twelve trillion, two billion, one hundred twenty million, two hundred twenty thousand, twenty".