1312232231230 has 32 divisors (see below), whose sum is σ = 2410516836000. Its totient is φ = 514201944960.

The previous prime is 1312232231221. The next prime is 1312232231231. The reversal of 1312232231230 is 321322322131.

It is a junction number, because it is equal to n+sod(n) for n = 1312232231195 and 1312232231204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312232231231) 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 15 ways as a sum of consecutive naturals, for example, 5289105 + ... + 5531644.

It is an arithmetic number, because the mean of its divisors is an integer number (75328651125).

Almost surely, 2^{1312232231230} is an apocalyptic number.

1312232231230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312232231230 is a deficient number, since it is larger than the sum of its proper divisors (1098284604770).

1312232231230 is a wasteful number, since it uses less digits than its factorization.

1312232231230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10821004.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1312232231230 its reverse (321322322131), we get a palindrome (1633554553361).

Subtracting from 1312232231230 its reverse (321322322131), we obtain a palindrome (990909909099).

The spelling of 1312232231230 in words is "one trillion, three hundred twelve billion, two hundred thirty-two million, two hundred thirty-one thousand, two hundred thirty".