1312130020032 has 168 divisors, whose sum is σ = 4065242242880. Its totient is φ = 402241904640.

The previous prime is 1312130020031. The next prime is 1312130020039. The reversal of 1312130020032 is 2300200312131.

1312130020032 is a `hidden beast` number, since 1 + 312 + 1 + 300 + 20 + 0 + 32 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1312130019987 and 1312130020014.

It is not an unprimeable number, because it can be changed into a prime (1312130020031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1705944 + ... + 2352552.

Almost surely, 2^{1312130020032} is an apocalyptic number.

1312130020032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312130020032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2032621121440).

1312130020032 is an abundant number, since it is smaller than the sum of its proper divisors (2753112222848).

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

1312130020032 is a wasteful number, since it uses less digits than its factorization.

1312130020032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646911 (or 646898 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1312130020032 its reverse (2300200312131), we get a palindrome (3612330332163).

The spelling of 1312130020032 in words is "one trillion, three hundred twelve billion, one hundred thirty million, twenty thousand, thirty-two".