120000210101020 has 24 divisors (see below), whose sum is σ = 252018975315744. Its totient is φ = 47996553734976.

The previous prime is 120000210100937. The next prime is 120000210101029. The reversal of 120000210101020 is 20101012000021.

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 = 120000210100988 and 120000210101006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000210101029) 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, 220365352 + ... + 220909231.

It is an arithmetic number, because the mean of its divisors is an integer number (10500790638156).

Almost surely, 2^{120000210101020} is an apocalyptic number.

120000210101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120000210101020 is an abundant number, since it is smaller than the sum of its proper divisors (132018765214724).

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

120000210101020 is a wasteful number, since it uses less digits than its factorization.

120000210101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441288189 (or 441288187 counting only the distinct ones).

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

Adding to 120000210101020 its reverse (20101012000021), we get a palindrome (140101222101041).

The spelling of 120000210101020 in words is "one hundred twenty trillion, two hundred ten million, one hundred one thousand, twenty".