1312301232108 has 36 divisors (see below), whose sum is σ = 3512335652280. Its totient is φ = 411702347136.

The previous prime is 1312301232101. The next prime is 1312301232149. The reversal of 1312301232108 is 8012321032131.

1312301232108 is a `hidden beast` number, since 1 + 31 + 2 + 301 + 2 + 321 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1312301232101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1072140918 + ... + 1072142141.

It is an arithmetic number, because the mean of its divisors is an integer number (97564879230).

Almost surely, 2^{1312301232108} is an apocalyptic number.

1312301232108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1312301232108 is an abundant number, since it is smaller than the sum of its proper divisors (2200034420172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312301232108 is a wasteful number, since it uses less digits than its factorization.

1312301232108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144283086 (or 2144283081 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 1312301232108 its reverse (8012321032131), we get a palindrome (9324622264239).

The spelling of 1312301232108 in words is "one trillion, three hundred twelve billion, three hundred one million, two hundred thirty-two thousand, one hundred eight".