1210031330212 has 48 divisors (see below), whose sum is σ = 2155940252928. Its totient is φ = 594148792320.

The previous prime is 1210031330201. The next prime is 1210031330219. The reversal of 1210031330212 is 2120331300121.

It is a self number, because there is not a number n which added to its sum of digits gives 1210031330212.

It is not an unprimeable number, because it can be changed into a prime (1210031330219) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 191730537 + ... + 191736847.

It is an arithmetic number, because the mean of its divisors is an integer number (44915421936).

Almost surely, 2^{1210031330212} is an apocalyptic number.

It is an amenable number.

1210031330212 is a deficient number, since it is larger than the sum of its proper divisors (945908922716).

1210031330212 is a wasteful number, since it uses less digits than its factorization.

1210031330212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10156 (or 10154 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1210031330212 its reverse (2120331300121), we get a palindrome (3330362630333).

The spelling of 1210031330212 in words is "one trillion, two hundred ten billion, thirty-one million, three hundred thirty thousand, two hundred twelve".