120010101220 has 48 divisors (see below), whose sum is σ = 253885806720. Its totient is φ = 47650143744.

The previous prime is 120010101203. The next prime is 120010101221. The reversal of 120010101220 is 22101010021.

120010101220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 = 120010101197 and 120010101206.

It is not an unprimeable number, because it can be changed into a prime (120010101221) 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 15 ways as a sum of consecutive naturals, for example, 1490761 + ... + 1569199.

It is an arithmetic number, because the mean of its divisors is an integer number (5289287640).

Almost surely, 2^120010101220 is an apocalyptic number.

120010101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120010101220 is an abundant number, since it is smaller than the sum of its proper divisors (133875705500).

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

120010101220 is a wasteful number, since it uses less digits than its factorization.

120010101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79012 (or 79010 counting only the distinct ones).

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

Adding to 120010101220 its reverse (22101010021), we get a palindrome (142111111241).

The spelling of 120010101220 in words is "one hundred twenty billion, ten million, one hundred one thousand, two hundred twenty".