1303113013012 has 6 divisors (see below), whose sum is σ = 2280447772778. Its totient is φ = 651556506504.

The previous prime is 1303113013003. The next prime is 1303113013019. The reversal of 1303113013012 is 2103103113031.

It can be written as a sum of positive squares in only one way, i.e., 1231136708356 + 71976304656 = 1109566^2 + 268284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303113013019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162889126623 + ... + 162889126630.

Almost surely, 2^{1303113013012} is an apocalyptic number.

It is an amenable number.

1303113013012 is a deficient number, since it is larger than the sum of its proper divisors (977334759766).

1303113013012 is a wasteful number, since it uses less digits than its factorization.

1303113013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325778253257 (or 325778253255 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1303113013012 its reverse (2103103113031), we get a palindrome (3406216126043).

The spelling of 1303113013012 in words is "one trillion, three hundred three billion, one hundred thirteen million, thirteen thousand, twelve".