1223120300200 has 24 divisors (see below), whose sum is σ = 2843754698430. Its totient is φ = 489248120000.

The previous prime is 1223120300177. The next prime is 1223120300219. The reversal of 1223120300200 is 20030213221.

It can be written as a sum of positive squares in 3 ways, for example, as 774410560036 + 448709740164 = 880006^2 + 669858^2 .

It is a super-2 number, since 2×1223120300200² (a number of 25 digits) contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 3057800551 + ... + 3057800950.

Almost surely, 2^{1223120300200} is an apocalyptic number.

1223120300200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223120300200 is an abundant number, since it is smaller than the sum of its proper divisors (1620634398230).

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

1223120300200 is a wasteful number, since it uses less digits than its factorization.

1223120300200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6115601517 (or 6115601508 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1223120300200 its reverse (20030213221), we get a palindrome (1243150513421).

The spelling of 1223120300200 in words is "one trillion, two hundred twenty-three billion, one hundred twenty million, three hundred thousand, two hundred".