1303121203012 has 6 divisors (see below), whose sum is σ = 2280462105278. Its totient is φ = 651560601504.

The previous prime is 1303121203003. The next prime is 1303121203081. The reversal of 1303121203012 is 2103021213031.

It can be written as a sum of positive squares in only one way, i.e., 1171797590016 + 131323612996 = 1082496^2 + 362386^2 .

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 as a sum of consecutive naturals, namely, 162890150373 + ... + 162890150380.

Almost surely, 2^{1303121203012} is an apocalyptic number.

It is an amenable number.

1303121203012 is a deficient number, since it is larger than the sum of its proper divisors (977340902266).

1303121203012 is a wasteful number, since it uses less digits than its factorization.

1303121203012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325780300757 (or 325780300755 counting only the distinct ones).

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

Adding to 1303121203012 its reverse (2103021213031), we get a palindrome (3406142416043).

The spelling of 1303121203012 in words is "one trillion, three hundred three billion, one hundred twenty-one million, two hundred three thousand, twelve".