1310012130402 has 24 divisors (see below), whose sum is σ = 2845509151836. Its totient is φ = 435570781536.

The previous prime is 1310012130391. The next prime is 1310012130403. The reversal of 1310012130402 is 2040312100131.

1310012130402 is a `hidden beast` number, since 13 + 100 + 121 + 30 + 402 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1287541820601 + 22470309801 = 1134699^2 + 149901^2 .

It is a super-2 number, since 2×1310012130402² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1310012130403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91653373 + ... + 91667664.

Almost surely, 2^{1310012130402} is an apocalyptic number.

1310012130402 is an abundant number, since it is smaller than the sum of its proper divisors (1535497021434).

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

1310012130402 is a wasteful number, since it uses less digits than its factorization.

1310012130402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183321442 (or 183321439 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1310012130402 its reverse (2040312100131), we get a palindrome (3350324230533).

The spelling of 1310012130402 in words is "one trillion, three hundred ten billion, twelve million, one hundred thirty thousand, four hundred two".