1312103303121 has 16 divisors (see below), whose sum is σ = 1884066477440. Its totient is φ = 807439311360.

The previous prime is 1312103303087. The next prime is 1312103303167. The reversal of 1312103303121 is 1213033012131.

It is a happy number.

It is not a de Polignac number, because 1312103303121 - 2³⁸ = 1037225396177 is a prime.

It is a super-2 number, since 2×1312103303121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312103303171) 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, 6197076 + ... + 6405306.

It is an arithmetic number, because the mean of its divisors is an integer number (117754154840).

Almost surely, 2^{1312103303121} is an apocalyptic number.

It is an amenable number.

1312103303121 is a deficient number, since it is larger than the sum of its proper divisors (571963174319).

1312103303121 is a wasteful number, since it uses less digits than its factorization.

1312103303121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369816.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1312103303121 its reverse (1213033012131), we get a palindrome (2525136315252).

The spelling of 1312103303121 in words is "one trillion, three hundred twelve billion, one hundred three million, three hundred three thousand, one hundred twenty-one".