2021456352412 has 12 divisors (see below), whose sum is σ = 4042912704880. Its totient is φ = 866338436736.

The previous prime is 2021456352389. The next prime is 2021456352463. The reversal of 2021456352412 is 2142536541202.

2021456352412 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36097434837 + ... + 36097434892.

Almost surely, 2^{2021456352412} is an apocalyptic number.

It is an amenable number.

2021456352412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2021456352412 is a wasteful number, since it uses less digits than its factorization.

2021456352412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72194869740 (or 72194869738 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 2021456352412 in words is "two trillion, twenty-one billion, four hundred fifty-six million, three hundred fifty-two thousand, four hundred twelve".