1201311210 has 64 divisors (see below), whose sum is σ = 3218434560. Its totient is φ = 284450880.

The previous prime is 1201311187. The next prime is 1201311217. The reversal of 1201311210 is 121131021.

It is not an unprimeable number, because it can be changed into a prime (1201311217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28140 + ... + 56519.

It is an arithmetic number, because the mean of its divisors is an integer number (50288040).

Almost surely, 2^1201311210 is an apocalyptic number.

1201311210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201311210 is an abundant number, since it is smaller than the sum of its proper divisors (2017123350).

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

1201311210 is a wasteful number, since it uses less digits than its factorization.

1201311210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84723.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1201311210 is about 34659.9366704557. The cubic root of 1201311210 is about 1063.0454751134.

Adding to 1201311210 its reverse (121131021), we get a palindrome (1322442231).

The spelling of 1201311210 in words is "one billion, two hundred one million, three hundred eleven thousand, two hundred ten".