2043521601612 has 48 divisors (see below), whose sum is σ = 5049326509920. Its totient is φ = 641025313792.

The previous prime is 2043521601587. The next prime is 2043521601623. The reversal of 2043521601612 is 2161061253402.

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, 1038814 + ... + 2272922.

It is an arithmetic number, because the mean of its divisors is an integer number (105194302290).

Almost surely, 2^{2043521601612} is an apocalyptic number.

It is an amenable number.

2043521601612 is an abundant number, since it is smaller than the sum of its proper divisors (3005804908308).

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

2043521601612 is a wasteful number, since it uses less digits than its factorization.

2043521601612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242250 (or 1242248 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 2043521601612 in words is "two trillion, forty-three billion, five hundred twenty-one million, six hundred one thousand, six hundred twelve".