1312312012302 has 16 divisors (see below), whose sum is σ = 2625138012672. Its totient is φ = 437351672760.

The previous prime is 1312312012247. The next prime is 1312312012307. The reversal of 1312312012302 is 2032102132131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312312012307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21382974 + ... + 21444257.

It is an arithmetic number, because the mean of its divisors is an integer number (164071125792).

Almost surely, 2^{1312312012302} is an apocalyptic number.

1312312012302 is an abundant number, since it is smaller than the sum of its proper divisors (1312826000370).

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

1312312012302 is a wasteful number, since it uses less digits than its factorization.

1312312012302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42832343.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1312312012302 its reverse (2032102132131), we get a palindrome (3344414144433).

The spelling of 1312312012302 in words is "one trillion, three hundred twelve billion, three hundred twelve million, twelve thousand, three hundred two".