1230321133220 has 24 divisors (see below), whose sum is σ = 2590714379904. Its totient is φ = 490787500896.

The previous prime is 1230321133219. The next prime is 1230321133243. The reversal of 1230321133220 is 223311230321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83802002 + ... + 83816681.

It is an arithmetic number, because the mean of its divisors is an integer number (107946432496).

Almost surely, 2^{1230321133220} is an apocalyptic number.

1230321133220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230321133220 is an abundant number, since it is smaller than the sum of its proper divisors (1360393246684).

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

1230321133220 is a wasteful number, since it uses less digits than its factorization.

1230321133220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167619059 (or 167619057 counting only the distinct ones).

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

Adding to 1230321133220 its reverse (223311230321), we get a palindrome (1453632363541).

The spelling of 1230321133220 in words is "one trillion, two hundred thirty billion, three hundred twenty-one million, one hundred thirty-three thousand, two hundred twenty".