1213233100200 has 144 divisors (see below), whose sum is σ = 4444844976000. Its totient is φ = 294117110400.

The previous prime is 1213233100187. The next prime is 1213233100207. The reversal of 1213233100200 is 20013323121.

1213233100200 is a `hidden beast` number, since 1 + 2 + 132 + 331 + 0 + 0 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1213233100207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 30617400 + ... + 30656999.

It is an arithmetic number, because the mean of its divisors is an integer number (30866979000).

Almost surely, 2^{1213233100200} is an apocalyptic number.

1213233100200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213233100200 is an abundant number, since it is smaller than the sum of its proper divisors (3231611875800).

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

1213233100200 is a wasteful number, since it uses less digits than its factorization.

1213233100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61274432 (or 61274420 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1213233100200 its reverse (20013323121), we get a palindrome (1233246423321).

The spelling of 1213233100200 in words is "one trillion, two hundred thirteen billion, two hundred thirty-three million, one hundred thousand, two hundred".