1312303213132 has 12 divisors (see below), whose sum is σ = 2299307570280. Its totient is φ = 655358193056.

The previous prime is 1312303213127. The next prime is 1312303213139. The reversal of 1312303213132 is 2313123032131.

It is a junction number, because it is equal to n+sod(n) for n = 1312303213097 and 1312303213106.

It is not an unprimeable number, because it can be changed into a prime (1312303213139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198349657 + ... + 198356272.

It is an arithmetic number, because the mean of its divisors is an integer number (191608964190).

Almost surely, 2^{1312303213132} is an apocalyptic number.

It is an amenable number.

1312303213132 is a deficient number, since it is larger than the sum of its proper divisors (987004357148).

1312303213132 is a wasteful number, since it uses less digits than its factorization.

1312303213132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396706760 (or 396706758 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1312303213132 its reverse (2313123032131), we get a palindrome (3625426245263).

The spelling of 1312303213132 in words is "one trillion, three hundred twelve billion, three hundred three million, two hundred thirteen thousand, one hundred thirty-two".