100120432220304 has 120 divisors (see below), whose sum is σ = 270455006230080. Its totient is φ = 31913458342656.

The previous prime is 100120432220299. The next prime is 100120432220371. The reversal of 100120432220304 is 403022234021001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89816182 + ... + 90924074.

It is an arithmetic number, because the mean of its divisors is an integer number (2253791718584).

Almost surely, 2^{100120432220304} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100120432220304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135227503115040).

100120432220304 is an abundant number, since it is smaller than the sum of its proper divisors (170334574009776).

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

100120432220304 is a wasteful number, since it uses less digits than its factorization.

100120432220304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111509 (or 1111480 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 100120432220304 its reverse (403022234021001), we get a palindrome (503142666241305).

The spelling of 100120432220304 in words is "one hundred trillion, one hundred twenty billion, four hundred thirty-two million, two hundred twenty thousand, three hundred four".