104021321200 has 60 divisors (see below), whose sum is σ = 255228530400. Its totient is φ = 40723233280.

The previous prime is 104021321147. The next prime is 104021321203. The reversal of 104021321200 is 2123120401.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104021321203) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2747725 + ... + 2785324.

It is an arithmetic number, because the mean of its divisors is an integer number (4253808840).

Almost surely, 2^104021321200 is an apocalyptic number.

104021321200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104021321200 is an abundant number, since it is smaller than the sum of its proper divisors (151207209200).

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

104021321200 is a wasteful number, since it uses less digits than its factorization.

104021321200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5533114 (or 5533103 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 104021321200 its reverse (2123120401), we get a palindrome (106144441601).

The spelling of 104021321200 in words is "one hundred four billion, twenty-one million, three hundred twenty-one thousand, two hundred".