1223350544420 has 12 divisors (see below), whose sum is σ = 2569036143324. Its totient is φ = 489340217760.

The previous prime is 1223350544419. The next prime is 1223350544441. The reversal of 1223350544420 is 244450533221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 704213002276 + 519137542144 = 839174^2 + 720512^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30583763591 + ... + 30583763630.

It is an arithmetic number, because the mean of its divisors is an integer number (214086345277).

Almost surely, 2^{1223350544420} is an apocalyptic number.

1223350544420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223350544420 is an abundant number, since it is smaller than the sum of its proper divisors (1345685598904).

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

1223350544420 is a wasteful number, since it uses less digits than its factorization.

1223350544420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61167527230 (or 61167527228 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

The spelling of 1223350544420 in words is "one trillion, two hundred twenty-three billion, three hundred fifty million, five hundred forty-four thousand, four hundred twenty".