120102020010000 has 600 divisors, whose sum is σ = 495500599852544. Its totient is φ = 26566341120000.

The previous prime is 120102020009989. The next prime is 120102020010001. The reversal of 120102020010000 is 10020201021.

It is a tau number, because it is divible by the number of its divisors (600).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (120102020010001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 16455192 + ... + 22604808.

Almost surely, 2^{120102020010000} is an apocalyptic number.

120102020010000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120102020010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247750299926272).

120102020010000 is an abundant number, since it is smaller than the sum of its proper divisors (375398579842544).

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

120102020010000 is a wasteful number, since it uses less digits than its factorization.

120102020010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6149689 (or 6149665 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 120102020010000 its reverse (10020201021), we get a palindrome (120112040211021).

The spelling of 120102020010000 in words is "one hundred twenty trillion, one hundred two billion, twenty million, ten thousand".