2123212021230 has 32 divisors (see below), whose sum is σ = 5096143632384. Its totient is φ = 566141563296.

The previous prime is 2123212021181. The next prime is 2123212021247. The reversal of 2123212021230 is 321202123212.

It is a junction number, because it is equal to n+sod(n) for n = 2123212021197 and 2123212021206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2661154 + ... + 3365733.

It is an arithmetic number, because the mean of its divisors is an integer number (159254488512).

Almost surely, 2^{2123212021230} is an apocalyptic number.

2123212021230 is an abundant number, since it is smaller than the sum of its proper divisors (2972931611154).

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

2123212021230 is a wasteful number, since it uses less digits than its factorization.

2123212021230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6038640.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2123212021230 its reverse (321202123212), we get a palindrome (2444414144442).

The spelling of 2123212021230 in words is "two trillion, one hundred twenty-three billion, two hundred twelve million, twenty-one thousand, two hundred thirty".