2021212131230 has 48 divisors (see below), whose sum is σ = 3759921875952. Its totient is φ = 782281180800.

The previous prime is 2021212131181. The next prime is 2021212131269. The reversal of 2021212131230 is 321312121202.

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 23 ways as a sum of consecutive naturals, for example, 81874469 + ... + 81899151.

It is an arithmetic number, because the mean of its divisors is an integer number (78331705749).

Almost surely, 2^{2021212131230} is an apocalyptic number.

2021212131230 is a deficient number, since it is larger than the sum of its proper divisors (1738709744722).

2021212131230 is a wasteful number, since it uses less digits than its factorization.

2021212131230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33273 (or 33242 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2021212131230 its reverse (321312121202), we get a palindrome (2342524252432).

The spelling of 2021212131230 in words is "two trillion, twenty-one billion, two hundred twelve million, one hundred thirty-one thousand, two hundred thirty".