1310012032121 has 8 divisors (see below), whose sum is σ = 1410869538120. Its totient is φ = 1209167004672.

The previous prime is 1310012032103. The next prime is 1310012032127. The reversal of 1310012032121 is 1212302100131.

It can be written as a sum of positive squares in 4 ways, for example, as 390705004096 + 919307028025 = 625064^2 + 958805^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1310012032121 - 2¹⁴ = 1310012015737 is a prime.

It is a super-2 number, since 2×1310012032121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1310012032121.

It is not an unprimeable number, because it can be changed into a prime (1310012032127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2901026 + ... + 3322043.

It is an arithmetic number, because the mean of its divisors is an integer number (176358692265).

Almost surely, 2^{1310012032121} is an apocalyptic number.

It is an amenable number.

1310012032121 is a deficient number, since it is larger than the sum of its proper divisors (100857505999).

1310012032121 is a wasteful number, since it uses less digits than its factorization.

1310012032121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6239275.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1310012032121 its reverse (1212302100131), we get a palindrome (2522314132252).

The spelling of 1310012032121 in words is "one trillion, three hundred ten billion, twelve million, thirty-two thousand, one hundred twenty-one".