1210212330212 has 6 divisors (see below), whose sum is σ = 2117871577878. Its totient is φ = 605106165104.

The previous prime is 1210212330203. The next prime is 1210212330233. The reversal of 1210212330212 is 2120332120121.

It can be written as a sum of positive squares in only one way, i.e., 1140333522496 + 69878807716 = 1067864^2 + 264346^2 .

It is a super-2 number, since 2×1210212330212² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151276541273 + ... + 151276541280.

It is an arithmetic number, because the mean of its divisors is an integer number (352978596313).

Almost surely, 2^{1210212330212} is an apocalyptic number.

It is an amenable number.

1210212330212 is a deficient number, since it is larger than the sum of its proper divisors (907659247666).

1210212330212 is a wasteful number, since it uses less digits than its factorization.

1210212330212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302553082557 (or 302553082555 counting only the distinct ones).

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

Adding to 1210212330212 its reverse (2120332120121), we get a palindrome (3330544450333).

The spelling of 1210212330212 in words is "one trillion, two hundred ten billion, two hundred twelve million, three hundred thirty thousand, two hundred twelve".