1312312201100 has 18 divisors (see below), whose sum is σ = 2847717476604. Its totient is φ = 524924880400.

The previous prime is 1312312201097. The next prime is 1312312201147. The reversal of 1312312201100 is 11022132131.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6561560906 + ... + 6561561105.

It is an arithmetic number, because the mean of its divisors is an integer number (158206526478).

Almost surely, 2^{1312312201100} is an apocalyptic number.

1312312201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312312201100 is an abundant number, since it is smaller than the sum of its proper divisors (1535405275504).

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

1312312201100 is a wasteful number, since it uses less digits than its factorization.

1312312201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13123122025 (or 13123122018 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1312312201100 its reverse (11022132131), we get a palindrome (1323334333231).

The spelling of 1312312201100 in words is "one trillion, three hundred twelve billion, three hundred twelve million, two hundred one thousand, one hundred".