1004211244212 has 96 divisors (see below), whose sum is σ = 2674172067840. Its totient is φ = 290327114880.

The previous prime is 1004211244207. The next prime is 1004211244213. The reversal of 1004211244212 is 2124421124001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004211244213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 755853 + ... + 1606155.

It is an arithmetic number, because the mean of its divisors is an integer number (27855959040).

Almost surely, 2^{1004211244212} is an apocalyptic number.

1004211244212 is a gapful number since it is divisible by the number (12) 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 1004211244212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1337086033920).

1004211244212 is an abundant number, since it is smaller than the sum of its proper divisors (1669960823628).

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

1004211244212 is a wasteful number, since it uses less digits than its factorization.

1004211244212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850733 (or 850731 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 1004211244212 its reverse (2124421124001), we get a palindrome (3128632368213).

The spelling of 1004211244212 in words is "one trillion, four billion, two hundred eleven million, two hundred forty-four thousand, two hundred twelve".