1031212013212 has 48 divisors (see below), whose sum is σ = 1875253811200. Its totient is φ = 495656988480.

The previous prime is 1031212013201. The next prime is 1031212013269. The reversal of 1031212013212 is 2123102121301.

It is a self number, because there is not a number n which added to its sum of digits gives 1031212013212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12424483 + ... + 12507205.

Almost surely, 2^{1031212013212} is an apocalyptic number.

It is an amenable number.

1031212013212 is a deficient number, since it is larger than the sum of its proper divisors (844041797988).

1031212013212 is a wasteful number, since it uses less digits than its factorization.

1031212013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83426 (or 83424 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1031212013212 its reverse (2123102121301), we get a palindrome (3154314134513).

The spelling of 1031212013212 in words is "one trillion, thirty-one billion, two hundred twelve million, thirteen thousand, two hundred twelve".