1206180200 has 24 divisors (see below), whose sum is σ = 2804369430. Its totient is φ = 482472000.

The previous prime is 1206180197. The next prime is 1206180203. The reversal of 1206180200 is 20816021.

It is an interprime number because it is at equal distance from previous prime (1206180197) and next prime (1206180203).

It can be written as a sum of positive squares in 3 ways, for example, as 923065924 + 283114276 = 30382^2 + 16826^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1206180203) 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, 3015251 + ... + 3015650.

Almost surely, 2^1206180200 is an apocalyptic number.

1206180200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1206180200 is an abundant number, since it is smaller than the sum of its proper divisors (1598189230).

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

1206180200 is a wasteful number, since it uses less digits than its factorization.

1206180200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6030917 (or 6030908 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1206180200 is about 34730.1050962994. The cubic root of 1206180200 is about 1064.4797358946.

Adding to 1206180200 its reverse (20816021), we get a palindrome (1226996221).

The spelling of 1206180200 in words is "one billion, two hundred six million, one hundred eighty thousand, two hundred".