1022901644512 has 96 divisors (see below), whose sum is σ = 2295457968384. Its totient is φ = 444152755200.

The previous prime is 1022901644497. The next prime is 1022901644549. The reversal of 1022901644512 is 2154461092201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6078043 + ... + 6244069.

It is an arithmetic number, because the mean of its divisors is an integer number (23911020504).

Almost surely, 2^{1022901644512} 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 1022901644512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1147728984192).

1022901644512 is an abundant number, since it is smaller than the sum of its proper divisors (1272556323872).

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

1022901644512 is a wasteful number, since it uses less digits than its factorization.

1022901644512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166832 (or 166824 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 1022901644512 in words is "one trillion, twenty-two billion, nine hundred one million, six hundred forty-four thousand, five hundred twelve".