1005204250112 has 160 divisors (see below), whose sum is σ = 2235606912000. Its totient is φ = 449545420800.

The previous prime is 1005204250111. The next prime is 1005204250133. The reversal of 1005204250112 is 2110524025001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005204250111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12323639 + ... + 12404937.

It is an arithmetic number, because the mean of its divisors is an integer number (13972543200).

Almost surely, 2^{1005204250112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1005204250112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1117803456000).

1005204250112 is an abundant number, since it is smaller than the sum of its proper divisors (1230402661888).

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

1005204250112 is an equidigital number, since it uses as much as digits as its factorization.

1005204250112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81408 (or 81392 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 1005204250112 its reverse (2110524025001), we get a palindrome (3115728275113).

The spelling of 1005204250112 in words is "one trillion, five billion, two hundred four million, two hundred fifty thousand, one hundred twelve".