1312020233130 has 64 divisors (see below), whose sum is σ = 3205832878080. Its totient is φ = 343553857344.

The previous prime is 1312020233129. The next prime is 1312020233201. The reversal of 1312020233130 is 313320202131.

It is a junction number, because it is equal to n+sod(n) for n = 1312020233097 and 1312020233106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1152147 + ... + 1987833.

It is an arithmetic number, because the mean of its divisors is an integer number (50091138720).

Almost surely, 2^{1312020233130} is an apocalyptic number.

1312020233130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312020233130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1602916439040).

1312020233130 is an abundant number, since it is smaller than the sum of its proper divisors (1893812644950).

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

1312020233130 is a wasteful number, since it uses less digits than its factorization.

1312020233130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836643.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1312020233130 its reverse (313320202131), we get a palindrome (1625340435261).

The spelling of 1312020233130 in words is "one trillion, three hundred twelve billion, twenty million, two hundred thirty-three thousand, one hundred thirty".