1303121133206 has 16 divisors (see below), whose sum is σ = 1956950796240. Its totient is φ = 650804321280.

The previous prime is 1303121133203. The next prime is 1303121133217. The reversal of 1303121133206 is 6023311213031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303121133203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30470270 + ... + 30513006.

It is an arithmetic number, because the mean of its divisors is an integer number (122309424765).

Almost surely, 2^{1303121133206} is an apocalyptic number.

1303121133206 is a deficient number, since it is larger than the sum of its proper divisors (653829663034).

1303121133206 is a wasteful number, since it uses less digits than its factorization.

1303121133206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60079.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 1303121133206 its reverse (6023311213031), we get a palindrome (7326432346237).

The spelling of 1303121133206 in words is "one trillion, three hundred three billion, one hundred twenty-one million, one hundred thirty-three thousand, two hundred six".