1204022104400 has 120 divisors (see below), whose sum is σ = 3010333576320. Its totient is φ = 462216455680.

The previous prime is 1204022104399. The next prime is 1204022104421. The reversal of 1204022104400 is 44012204021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 1626437 + ... + 2247963.

It is an arithmetic number, because the mean of its divisors is an integer number (25086113136).

Almost surely, 2^{1204022104400} is an apocalyptic number.

1204022104400 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 1204022104400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1505166788160).

1204022104400 is an abundant number, since it is smaller than the sum of its proper divisors (1806311471920).

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

1204022104400 is a wasteful number, since it uses less digits than its factorization.

1204022104400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621741 (or 621730 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1204022104400 its reverse (44012204021), we get a palindrome (1248034308421).

The spelling of 1204022104400 in words is "one trillion, two hundred four billion, twenty-two million, one hundred four thousand, four hundred".