1204322240100 has 216 divisors, whose sum is σ = 4054372170240. Its totient is φ = 275207950080.

The previous prime is 1204322240071. The next prime is 1204322240111. The reversal of 1204322240100 is 10422234021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 89354562 + ... + 89368038.

Almost surely, 2^{1204322240100} is an apocalyptic number.

1204322240100 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 1204322240100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2027186085120).

1204322240100 is an abundant number, since it is smaller than the sum of its proper divisors (2850049930140).

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

1204322240100 is a wasteful number, since it uses less digits than its factorization.

1204322240100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19587 (or 19573 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1204322240100 its reverse (10422234021), we get a palindrome (1214744474121).

The spelling of 1204322240100 in words is "one trillion, two hundred four billion, three hundred twenty-two million, two hundred forty thousand, one hundred".