10001001022012 has 192 divisors, whose sum is σ = 23694811176960. Its totient is φ = 3566809209600.

The previous prime is 10001001022007. The next prime is 10001001022021. The reversal of 10001001022012 is 21022010010001.

It is a self number, because there is not a number n which added to its sum of digits gives 10001001022012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 853394689 + ... + 853406407.

It is an arithmetic number, because the mean of its divisors is an integer number (123410474880).

Almost surely, 2^{10001001022012} 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 10001001022012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11847405588480).

10001001022012 is an abundant number, since it is smaller than the sum of its proper divisors (13693810154948).

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

10001001022012 is a wasteful number, since it uses less digits than its factorization.

10001001022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13512 (or 13510 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10001001022012 its reverse (21022010010001), we get a palindrome (31023011032013).

The spelling of 10001001022012 in words is "ten trillion, one billion, one million, twenty-two thousand, twelve".