1223213200320 has 56 divisors (see below), whose sum is σ = 3883701914064. Its totient is φ = 326190186496.

The previous prime is 1223213200249. The next prime is 1223213200333. The reversal of 1223213200320 is 230023123221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637089249 + ... + 637091168.

It is an arithmetic number, because the mean of its divisors is an integer number (69351819894).

Almost surely, 2^{1223213200320} is an apocalyptic number.

1223213200320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223213200320 is an abundant number, since it is smaller than the sum of its proper divisors (2660488713744).

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

1223213200320 is a wasteful number, since it uses less digits than its factorization.

1223213200320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274180437 (or 1274180427 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1223213200320 its reverse (230023123221), we get a palindrome (1453236323541).

The spelling of 1223213200320 in words is "one trillion, two hundred twenty-three billion, two hundred thirteen million, two hundred thousand, three hundred twenty".