1312103300121 has 16 divisors (see below), whose sum is σ = 1944147526720. Its totient is φ = 874604679840.

The previous prime is 1312103300111. The next prime is 1312103300153. The reversal of 1312103300121 is 1210033012131.

1312103300121 is a `hidden beast` number, since 1 + 3 + 1 + 210 + 330 + 0 + 121 = 666.

It is not a de Polignac number, because 1312103300121 - 2¹⁰ = 1312103299097 is a prime.

It is a super-2 number, since 2×1312103300121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1312103300094 and 1312103300103.

It is not an unprimeable number, because it can be changed into a prime (1312103300111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3450820 + ... + 3812133.

It is an arithmetic number, because the mean of its divisors is an integer number (121509220420).

Almost surely, 2^{1312103300121} is an apocalyptic number.

It is an amenable number.

1312103300121 is a deficient number, since it is larger than the sum of its proper divisors (632044226599).

1312103300121 is an equidigital number, since it uses as much as digits as its factorization.

1312103300121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7269653 (or 7269647 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1312103300121 its reverse (1210033012131), we get a palindrome (2522136312252).

The spelling of 1312103300121 in words is "one trillion, three hundred twelve billion, one hundred three million, three hundred thousand, one hundred twenty-one".