1303231212025 has 12 divisors (see below), whose sum is σ = 1616100174700. Its totient is φ = 1042524665280.

The previous prime is 1303231211983. The next prime is 1303231212029. The reversal of 1303231212025 is 5202121323031.

It can be written as a sum of positive squares in 6 ways, for example, as 70092033001 + 1233139179024 = 264749^2 + 1110468^2 .

It is not a de Polignac number, because 1303231212025 - 2¹¹ = 1303231209977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1303231212029) 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 in 11 ways as a sum of consecutive naturals, for example, 1064190 + ... + 1933639.

Almost surely, 2^{1303231212025} is an apocalyptic number.

It is an amenable number.

1303231212025 is a deficient number, since it is larger than the sum of its proper divisors (312868962675).

1303231212025 is a wasteful number, since it uses less digits than its factorization.

1303231212025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015228 (or 3015223 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 1303231212025 its reverse (5202121323031), we get a palindrome (6505352535056).

The spelling of 1303231212025 in words is "one trillion, three hundred three billion, two hundred thirty-one million, two hundred twelve thousand, twenty-five".