1223544130100 has 36 divisors (see below), whose sum is σ = 2746645622700. Its totient is φ = 472541180160.

The previous prime is 1223544130087. The next prime is 1223544130111. The reversal of 1223544130100 is 10314453221.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2068248484 + 1221475881616 = 45478^2 + 1105204^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1223544130100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210952985 + ... + 210958784.

Almost surely, 2^{1223544130100} is an apocalyptic number.

1223544130100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223544130100 is an abundant number, since it is smaller than the sum of its proper divisors (1523101492600).

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

1223544130100 is a wasteful number, since it uses less digits than its factorization.

1223544130100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421911812 (or 421911805 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1223544130100 its reverse (10314453221), we get a palindrome (1233858583321).

The spelling of 1223544130100 in words is "one trillion, two hundred twenty-three billion, five hundred forty-four million, one hundred thirty thousand, one hundred".