1312100330020 has 12 divisors (see below), whose sum is σ = 2755410693084. Its totient is φ = 524840132000.

The previous prime is 1312100330011. The next prime is 1312100330059. The reversal of 1312100330020 is 200330012131.

It can be written as a sum of positive squares in 2 ways, for example, as 982275245604 + 329825084416 = 991098^2 + 574304^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1312100329976 and 1312100330003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32802508231 + ... + 32802508270.

It is an arithmetic number, because the mean of its divisors is an integer number (229617557757).

Almost surely, 2^{1312100330020} is an apocalyptic number.

1312100330020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312100330020 is an abundant number, since it is smaller than the sum of its proper divisors (1443310363064).

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

1312100330020 is a wasteful number, since it uses less digits than its factorization.

1312100330020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65605016510 (or 65605016508 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1312100330020 its reverse (200330012131), we get a palindrome (1512430342151).

The spelling of 1312100330020 in words is "one trillion, three hundred twelve billion, one hundred million, three hundred thirty thousand, twenty".