1200201210 has 96 divisors (see below), whose sum is σ = 3376114560. Its totient is φ = 294067584.

The previous prime is 1200201209. The next prime is 1200201263. The reversal of 1200201210 is 121020021.

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 = 1200201192 and 1200201201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 263331 + ... + 267849.

It is an arithmetic number, because the mean of its divisors is an integer number (35167860).

Almost surely, 2^1200201210 is an apocalyptic number.

1200201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200201210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1688057280).

1200201210 is an abundant number, since it is smaller than the sum of its proper divisors (2175913350).

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

1200201210 is a wasteful number, since it uses less digits than its factorization.

1200201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772 (or 4769 counting only the distinct ones).

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

The square root of 1200201210 is about 34643.9202458382. The cubic root of 1200201210 is about 1062.7179596218.

Adding to 1200201210 its reverse (121020021), we get a palindrome (1321221231).

The spelling of 1200201210 in words is "one billion, two hundred million, two hundred one thousand, two hundred ten".