1312233323130 has 64 divisors (see below), whose sum is σ = 3593864263680. Its totient is φ = 340471346112.

The previous prime is 1312233323101. The next prime is 1312233323197. The reversal of 1312233323130 is 313233322131.

1312233323130 is a `hidden beast` number, since 1 + 3 + 12 + 2 + 3 + 332 + 313 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1312233323094 and 1312233323103.

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, 65667354 + ... + 65687333.

It is an arithmetic number, because the mean of its divisors is an integer number (56154129120).

Almost surely, 2^{1312233323130} is an apocalyptic number.

1312233323130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312233323130 is an abundant number, since it is smaller than the sum of its proper divisors (2281630940550).

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

1312233323130 is a wasteful number, since it uses less digits than its factorization.

1312233323130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131354740 (or 131354734 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 1312233323130 its reverse (313233322131), we get a palindrome (1625466645261).

Subtracting from 1312233323130 its reverse (313233322131), we obtain a palindrome (999000000999).

The spelling of 1312233323130 in words is "one trillion, three hundred twelve billion, two hundred thirty-three million, three hundred twenty-three thousand, one hundred thirty".