1321312122230 has 8 divisors (see below), whose sum is σ = 2378361820032. Its totient is φ = 528524848888.

The previous prime is 1321312122191. The next prime is 1321312122281. The reversal of 1321312122230 is 322212131231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1321312122196 and 1321312122205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66065606102 + ... + 66065606121.

It is an arithmetic number, because the mean of its divisors is an integer number (297295227504).

Almost surely, 2^{1321312122230} is an apocalyptic number.

1321312122230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321312122230 is a deficient number, since it is larger than the sum of its proper divisors (1057049697802).

1321312122230 is a wasteful number, since it uses less digits than its factorization.

1321312122230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132131212230.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1321312122230 its reverse (322212131231), we get a palindrome (1643524253461).

Subtracting from 1321312122230 its reverse (322212131231), we obtain a palindrome (999099990999).

The spelling of 1321312122230 in words is "one trillion, three hundred twenty-one billion, three hundred twelve million, one hundred twenty-two thousand, two hundred thirty".