2021210030312 has 16 divisors (see below), whose sum is σ = 4134293244000. Its totient is φ = 918731831920.

The previous prime is 2021210030311. The next prime is 2021210030327. The reversal of 2021210030312 is 2130300121202.

It is not an unprimeable number, because it can be changed into a prime (2021210030311) by changing a digit.

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, 11484147812 + ... + 11484147987.

It is an arithmetic number, because the mean of its divisors is an integer number (258393327750).

Almost surely, 2^{2021210030312} is an apocalyptic number.

2021210030312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2021210030312 is an abundant number, since it is smaller than the sum of its proper divisors (2113083213688).

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

2021210030312 is a wasteful number, since it uses less digits than its factorization.

2021210030312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22968295816 (or 22968295812 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2021210030312 its reverse (2130300121202), we get a palindrome (4151510151514).

The spelling of 2021210030312 in words is "two trillion, twenty-one billion, two hundred ten million, thirty thousand, three hundred twelve".