1312113302020 has 24 divisors (see below), whose sum is σ = 2755529391384. Its totient is φ = 524827900416.

The previous prime is 1312113301997. The next prime is 1312113302041. The reversal of 1312113302020 is 202033112131.

It can be written as a sum of positive squares in 4 ways, for example, as 96227762436 + 1215885539584 = 310206^2 + 1102672^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462357 + ... + 1684636.

It is an arithmetic number, because the mean of its divisors is an integer number (114813724641).

Almost surely, 2^{1312113302020} is an apocalyptic number.

1312113302020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312113302020 is an abundant number, since it is smaller than the sum of its proper divisors (1443416089364).

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

1312113302020 is a wasteful number, since it uses less digits than its factorization.

1312113302020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177559 (or 2177557 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1312113302020 its reverse (202033112131), we get a palindrome (1514146414151).

The spelling of 1312113302020 in words is "one trillion, three hundred twelve billion, one hundred thirteen million, three hundred two thousand, twenty".