1201211210 has 8 divisors (see below), whose sum is σ = 2162180196. Its totient is φ = 480484480.

The previous prime is 1201211203. The next prime is 1201211269. The reversal of 1201211210 is 121121021.

It can be written as a sum of positive squares in 2 ways, for example, as 1072366009 + 128845201 = 32747^2 + 11351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1201211191 and 1201211200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60060551 + ... + 60060570.

Almost surely, 2^1201211210 is an apocalyptic number.

1201211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201211210 is a deficient number, since it is larger than the sum of its proper divisors (960968986).

1201211210 is a wasteful number, since it uses less digits than its factorization.

1201211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120121128.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1201211210 is about 34658.4940526850. The cubic root of 1201211210 is about 1063.0159774843.

Adding to 1201211210 its reverse (121121021), we get a palindrome (1322332231).

The spelling of 1201211210 in words is "one billion, two hundred one million, two hundred eleven thousand, two hundred ten".