1031203101212 has 48 divisors (see below), whose sum is σ = 1950271948800. Its totient is φ = 475622347200.

The previous prime is 1031203101209. The next prime is 1031203101259. The reversal of 1031203101212 is 2121013021301.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 2066837 + ... + 2516787.

It is an arithmetic number, because the mean of its divisors is an integer number (40630665600).

Almost surely, 2^{1031203101212} is an apocalyptic number.

It is an amenable number.

1031203101212 is a deficient number, since it is larger than the sum of its proper divisors (919068847588).

1031203101212 is a wasteful number, since it uses less digits than its factorization.

1031203101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450866 (or 450864 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1031203101212 its reverse (2121013021301), we get a palindrome (3152216122513).

The spelling of 1031203101212 in words is "one trillion, thirty-one billion, two hundred three million, one hundred one thousand, two hundred twelve".