1323212231330 has 64 divisors (see below), whose sum is σ = 2603071116288. Its totient is φ = 480286752960.

The previous prime is 1323212231321. The next prime is 1323212231371. The reversal of 1323212231330 is 331322123231.

It is a self number, because there is not a number n which added to its sum of digits gives 1323212231330.

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, 189487019 + ... + 189494001.

It is an arithmetic number, because the mean of its divisors is an integer number (40672986192).

Almost surely, 2^{1323212231330} is an apocalyptic number.

1323212231330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1323212231330 is a deficient number, since it is larger than the sum of its proper divisors (1279858884958).

1323212231330 is a wasteful number, since it uses less digits than its factorization.

1323212231330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9911.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1323212231330 its reverse (331322123231), we get a palindrome (1654534354561).

The spelling of 1323212231330 in words is "one trillion, three hundred twenty-three billion, two hundred twelve million, two hundred thirty-one thousand, three hundred thirty".