1312221330230 has 32 divisors (see below), whose sum is σ = 2447189065728. Its totient is φ = 506082232800.

The previous prime is 1312221330229. The next prime is 1312221330271. The reversal of 1312221330230 is 320331222131.

It is a junction number, because it is equal to n+sod(n) for n = 1312221330196 and 1312221330205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7725902 + ... + 7893921.

It is an arithmetic number, because the mean of its divisors is an integer number (76474658304).

Almost surely, 2^{1312221330230} is an apocalyptic number.

1312221330230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312221330230 is a deficient number, since it is larger than the sum of its proper divisors (1134967735498).

1312221330230 is a wasteful number, since it uses less digits than its factorization.

1312221330230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15620132.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1312221330230 its reverse (320331222131), we get a palindrome (1632552552361).

The spelling of 1312221330230 in words is "one trillion, three hundred twelve billion, two hundred twenty-one million, three hundred thirty thousand, two hundred thirty".