1312100220104 has 32 divisors (see below), whose sum is σ = 2545243344000. Its totient is φ = 633372597312.

The previous prime is 1312100220097. The next prime is 1312100220127. The reversal of 1312100220104 is 4010220012131.

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, 2492657 + ... + 2972799.

It is an arithmetic number, because the mean of its divisors is an integer number (79538854500).

Almost surely, 2^{1312100220104} is an apocalyptic number.

It is an amenable number.

1312100220104 is a deficient number, since it is larger than the sum of its proper divisors (1233143123896).

1312100220104 is a wasteful number, since it uses less digits than its factorization.

1312100220104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491957 (or 491953 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1312100220104 its reverse (4010220012131), we get a palindrome (5322320232235).

The spelling of 1312100220104 in words is "one trillion, three hundred twelve billion, one hundred million, two hundred twenty thousand, one hundred four".