1203111100200 has 96 divisors (see below), whose sum is σ = 3758115224160. Its totient is φ = 318380524800.

The previous prime is 1203111100189. The next prime is 1203111100229. The reversal of 1203111100200 is 20011113021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7574779 + ... + 7731978.

It is an arithmetic number, because the mean of its divisors is an integer number (39147033585).

Almost surely, 2^{1203111100200} is an apocalyptic number.

1203111100200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203111100200 is an abundant number, since it is smaller than the sum of its proper divisors (2555004123960).

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

1203111100200 is a wasteful number, since it uses less digits than its factorization.

1203111100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15306907 (or 15306898 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1203111100200 its reverse (20011113021), we get a palindrome (1223122213221).

The spelling of 1203111100200 in words is "one trillion, two hundred three billion, one hundred eleven million, one hundred thousand, two hundred".