1223002032320 has 28 divisors (see below), whose sum is σ = 2912273590224. Its totient is φ = 489200812800.

The previous prime is 1223002032311. The next prime is 1223002032331. The reversal of 1223002032320 is 232302003221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1223002032292 and 1223002032301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1910940356 + ... + 1910940995.

Almost surely, 2^{1223002032320} is an apocalyptic number.

1223002032320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223002032320 is an abundant number, since it is smaller than the sum of its proper divisors (1689271557904).

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

1223002032320 is an equidigital number, since it uses as much as digits as its factorization.

1223002032320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3821881368 (or 3821881358 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 1223002032320 its reverse (232302003221), we get a palindrome (1455304035541).

The spelling of 1223002032320 in words is "one trillion, two hundred twenty-three billion, two million, thirty-two thousand, three hundred twenty".