1201200210 has 72 divisors (see below), whose sum is σ = 3633031116. Its totient is φ = 274559040.

The previous prime is 1201200199. The next prime is 1201200233. The reversal of 1201200210 is 120021021.

It can be written as a sum of positive squares in 2 ways, for example, as 1176009849 + 25190361 = 34293^2 + 5019^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1201200192 and 1201200201.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 131781 + ... + 140600.

Almost surely, 2^1201200210 is an apocalyptic number.

1201200210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201200210 is an abundant number, since it is smaller than the sum of its proper divisors (2431830906).

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

1201200210 is a wasteful number, since it uses less digits than its factorization.

1201200210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272408 (or 272398 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1201200210 is about 34658.3353610643. The cubic root of 1201200210 is about 1063.0127326452.

Adding to 1201200210 its reverse (120021021), we get a palindrome (1321221231).

The spelling of 1201200210 in words is "one billion, two hundred one million, two hundred thousand, two hundred ten".