2021354503512 has 16 divisors (see below), whose sum is σ = 5053386258840. Its totient is φ = 673784834496.

The previous prime is 2021354503457. The next prime is 2021354503537. The reversal of 2021354503512 is 2153054531202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42111552133 + ... + 42111552180.

Almost surely, 2^{2021354503512} is an apocalyptic number.

It is an amenable number.

2021354503512 is an abundant number, since it is smaller than the sum of its proper divisors (3032031755328).

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

2021354503512 is a wasteful number, since it uses less digits than its factorization.

2021354503512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84223104322 (or 84223104318 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 2021354503512 in words is "two trillion, twenty-one billion, three hundred fifty-four million, five hundred three thousand, five hundred twelve".