2002159439412 has 96 divisors (see below), whose sum is σ = 5220743184384. Its totient is φ = 592069564800.

The previous prime is 2002159439389. The next prime is 2002159439479. The reversal of 2002159439412 is 2149349512002.

It is a congruent number.

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, 43653 + ... + 2001555.

It is an arithmetic number, because the mean of its divisors is an integer number (54382741504).

Almost surely, 2^{2002159439412} is an apocalyptic number.

2002159439412 is a gapful number since it is divisible by the number (22) 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 2002159439412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2610371592192).

2002159439412 is an abundant number, since it is smaller than the sum of its proper divisors (3218583744972).

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

2002159439412 is a wasteful number, since it uses less digits than its factorization.

2002159439412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958109 (or 1958107 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 2002159439412 in words is "two trillion, two billion, one hundred fifty-nine million, four hundred thirty-nine thousand, four hundred twelve".