1201231232200 has 24 divisors (see below), whose sum is σ = 2792862615330. Its totient is φ = 480492492800.

The previous prime is 1201231232191. The next prime is 1201231232209. The reversal of 1201231232200 is 22321321021.

It is an interprime number because it is at equal distance from previous prime (1201231232191) and next prime (1201231232209).

It can be written as a sum of positive squares in 3 ways, for example, as 628566723684 + 572664508516 = 792822^2 + 756746^2 .

It is not an unprimeable number, because it can be changed into a prime (1201231232209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3003077881 + ... + 3003078280.

Almost surely, 2^{1201231232200} is an apocalyptic number.

1201231232200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201231232200 is an abundant number, since it is smaller than the sum of its proper divisors (1591631383130).

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

1201231232200 is a wasteful number, since it uses less digits than its factorization.

1201231232200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006156177 (or 6006156168 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1201231232200 its reverse (22321321021), we get a palindrome (1223552553221).

The spelling of 1201231232200 in words is "one trillion, two hundred one billion, two hundred thirty-one million, two hundred thirty-two thousand, two hundred".