1313201231112 has 32 divisors (see below), whose sum is σ = 3283552342080. Its totient is φ = 437660508480.

The previous prime is 1313201231081. The next prime is 1313201231119. The reversal of 1313201231112 is 2111321023131.

It is not an unprimeable number, because it can be changed into a prime (1313201231119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4430668 + ... + 4717755.

It is an arithmetic number, because the mean of its divisors is an integer number (102611010690).

Almost surely, 2^{1313201231112} is an apocalyptic number.

1313201231112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1313201231112 is an abundant number, since it is smaller than the sum of its proper divisors (1970351110968).

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

1313201231112 is a wasteful number, since it uses less digits than its factorization.

1313201231112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9154413 (or 9154409 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1313201231112 its reverse (2111321023131), we get a palindrome (3424522254243).

The spelling of 1313201231112 in words is "one trillion, three hundred thirteen billion, two hundred one million, two hundred thirty-one thousand, one hundred twelve".