1223112125200 has 60 divisors (see below), whose sum is σ = 3358316442880. Its totient is φ = 419352727680.

The previous prime is 1223112125129. The next prime is 1223112125237. The reversal of 1223112125200 is 25212113221.

It is a super-2 number, since 2×1223112125200² (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 11 ways as a sum of consecutive naturals, for example, 218410080 + ... + 218415679.

Almost surely, 2^{1223112125200} is an apocalyptic number.

1223112125200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223112125200 is an abundant number, since it is smaller than the sum of its proper divisors (2135204317680).

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

1223112125200 is a wasteful number, since it uses less digits than its factorization.

1223112125200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436825784 (or 436825773 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 1223112125200 its reverse (25212113221), we get a palindrome (1248324238421).

The spelling of 1223112125200 in words is "one trillion, two hundred twenty-three billion, one hundred twelve million, one hundred twenty-five thousand, two hundred".