1312231110032 has 20 divisors (see below), whose sum is σ = 2692003527756. Its totient is φ = 617520522240.

The previous prime is 1312231110031. The next prime is 1312231110059. The reversal of 1312231110032 is 2300111322131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 380496520336 + 931734589696 = 616844^2 + 965264^2 .

It is a super-2 number, since 2×1312231110032² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1312231109986 and 1312231110013.

It is not an unprimeable number, because it can be changed into a prime (1312231110031) 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 3 ways as a sum of consecutive naturals, for example, 2412189269 + ... + 2412189812.

Almost surely, 2^{1312231110032} is an apocalyptic number.

It is an amenable number.

1312231110032 is an abundant number, since it is smaller than the sum of its proper divisors (1379772417724).

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

1312231110032 is a wasteful number, since it uses less digits than its factorization.

1312231110032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4824379106 (or 4824379100 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1312231110032 its reverse (2300111322131), we get a palindrome (3612342432163).

The spelling of 1312231110032 in words is "one trillion, three hundred twelve billion, two hundred thirty-one million, one hundred ten thousand, thirty-two".