2002012102120 has 32 divisors (see below), whose sum is σ = 4700376241920. Its totient is φ = 765987238720.

The previous prime is 2002012102099. The next prime is 2002012102127. The reversal of 2002012102120 is 212012102002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2002012102120.

It is not an unprimeable number, because it can be changed into a prime (2002012102127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1088049136 + ... + 1088050975.

It is an arithmetic number, because the mean of its divisors is an integer number (146886757560).

Almost surely, 2^{2002012102120} is an apocalyptic number.

2002012102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002012102120 is an abundant number, since it is smaller than the sum of its proper divisors (2698364139800).

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

2002012102120 is a wasteful number, since it uses less digits than its factorization.

2002012102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176100145 (or 2176100141 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2002012102120 its reverse (212012102002), we get a palindrome (2214024204122).

The spelling of 2002012102120 in words is "two trillion, two billion, twelve million, one hundred two thousand, one hundred twenty".