120304220100 has 144 divisors (see below), whose sum is σ = 351154483008. Its totient is φ = 31798863360.

The previous prime is 120304220089. The next prime is 120304220129. The reversal of 120304220100 is 1022403021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120304220100.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19410202 + ... + 19416398.

Almost surely, 2^120304220100 is an apocalyptic number.

120304220100 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 120304220100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175577241504).

120304220100 is an abundant number, since it is smaller than the sum of its proper divisors (230850262908).

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

120304220100 is a wasteful number, since it uses less digits than its factorization.

120304220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6774 (or 6767 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 120304220100 its reverse (1022403021), we get a palindrome (121326623121).

The spelling of 120304220100 in words is "one hundred twenty billion, three hundred four million, two hundred twenty thousand, one hundred".