2021032320012 has 36 divisors (see below), whose sum is σ = 5109360463480. Its totient is φ = 673593060672.

The previous prime is 2021032320011. The next prime is 2021032320127. The reversal of 2021032320012 is 2100232301202.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2021032320011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3224062 + ... + 3799557.

Almost surely, 2^{2021032320012} is an apocalyptic number.

It is an amenable number.

2021032320012 is an abundant number, since it is smaller than the sum of its proper divisors (3088328143468).

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

2021032320012 is a wasteful number, since it uses less digits than its factorization.

2021032320012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7031622 (or 7031617 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2021032320012 its reverse (2100232301202), we get a palindrome (4121264621214).

The spelling of 2021032320012 in words is "two trillion, twenty-one billion, thirty-two million, three hundred twenty thousand, twelve".