2001230330212 has 6 divisors (see below), whose sum is σ = 3502153077878. Its totient is φ = 1000615165104.

The previous prime is 2001230330171. The next prime is 2001230330279. The reversal of 2001230330212 is 2120330321002.

It can be written as a sum of positive squares in only one way, i.e., 1246514192676 + 754716137536 = 1116474^2 + 868744^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2001230330212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250153791273 + ... + 250153791280.

Almost surely, 2^{2001230330212} is an apocalyptic number.

It is an amenable number.

2001230330212 is a deficient number, since it is larger than the sum of its proper divisors (1500922747666).

2001230330212 is a wasteful number, since it uses less digits than its factorization.

2001230330212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500307582557 (or 500307582555 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2001230330212 its reverse (2120330321002), we get a palindrome (4121560651214).

The spelling of 2001230330212 in words is "two trillion, one billion, two hundred thirty million, three hundred thirty thousand, two hundred twelve".