1303031012212 has 6 divisors (see below), whose sum is σ = 2280304271378. Its totient is φ = 651515506104.

The previous prime is 1303031012197. The next prime is 1303031012219. The reversal of 1303031012212 is 2122101303031.

It can be written as a sum of positive squares in only one way, i.e., 1177129521936 + 125901490276 = 1084956^2 + 354826^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1303031012212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303031012219) 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 as a sum of consecutive naturals, namely, 162878876523 + ... + 162878876530.

Almost surely, 2^{1303031012212} is an apocalyptic number.

It is an amenable number.

1303031012212 is a deficient number, since it is larger than the sum of its proper divisors (977273259166).

1303031012212 is a wasteful number, since it uses less digits than its factorization.

1303031012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325757753057 (or 325757753055 counting only the distinct ones).

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

Adding to 1303031012212 its reverse (2122101303031), we get a palindrome (3425132315243).

The spelling of 1303031012212 in words is "one trillion, three hundred three billion, thirty-one million, twelve thousand, two hundred twelve".