1020104212204 has 72 divisors (see below), whose sum is σ = 2245260971520. Its totient is φ = 396961524960.

The previous prime is 1020104212189. The next prime is 1020104212207. The reversal of 1020104212204 is 4022124010201.

It is a super-2 number, since 2×1020104212204² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020104212207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2619837 + ... + 2983915.

It is an arithmetic number, because the mean of its divisors is an integer number (31184180160).

Almost surely, 2^{1020104212204} is an apocalyptic number.

1020104212204 is a gapful number since it is divisible by the number (14) 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 1020104212204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1122630485760).

1020104212204 is an abundant number, since it is smaller than the sum of its proper divisors (1225156759316).

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

1020104212204 is a wasteful number, since it uses less digits than its factorization.

1020104212204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364939 (or 364926 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1020104212204 its reverse (4022124010201), we get a palindrome (5042228222405).

The spelling of 1020104212204 in words is "one trillion, twenty billion, one hundred four million, two hundred twelve thousand, two hundred four".