1001322103012 has 96 divisors (see below), whose sum is σ = 2269004451840. Its totient is φ = 375353022720.

The previous prime is 1001322103003. The next prime is 1001322103021. The reversal of 1001322103012 is 2103012231001.

It is an interprime number because it is at equal distance from previous prime (1001322103003) and next prime (1001322103021).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267888 + ... + 1440280.

It is an arithmetic number, because the mean of its divisors is an integer number (23635463040).

Almost surely, 2^{1001322103012} 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 1001322103012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1134502225920).

1001322103012 is an abundant number, since it is smaller than the sum of its proper divisors (1267682348828).

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

1001322103012 is a wasteful number, since it uses less digits than its factorization.

1001322103012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172521 (or 1172519 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1001322103012 its reverse (2103012231001), we get a palindrome (3104334334013).

The spelling of 1001322103012 in words is "one trillion, one billion, three hundred twenty-two million, one hundred three thousand, twelve".