1312113323212 has 24 divisors (see below), whose sum is σ = 2340317826000. Its totient is φ = 643500619776.

The previous prime is 1312113323201. The next prime is 1312113323251. The reversal of 1312113323212 is 2123233112131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6085353 + ... + 6297280.

It is an arithmetic number, because the mean of its divisors is an integer number (97513242750).

Almost surely, 2^{1312113323212} is an apocalyptic number.

It is an amenable number.

1312113323212 is a deficient number, since it is larger than the sum of its proper divisors (1028204502788).

1312113323212 is a wasteful number, since it uses less digits than its factorization.

1312113323212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12383145 (or 12383143 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

Adding to 1312113323212 its reverse (2123233112131), we get a palindrome (3435346435343).

The spelling of 1312113323212 in words is "one trillion, three hundred twelve billion, one hundred thirteen million, three hundred twenty-three thousand, two hundred twelve".