1312200110 has 32 divisors (see below), whose sum is σ = 2547744192. Its totient is φ = 483724800.

The previous prime is 1312200089. The next prime is 1312200119. The reversal of 1312200110 is 110022131.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1312200091 and 1312200100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312200119) 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 15 ways as a sum of consecutive naturals, for example, 76310 + ... + 91910.

It is an arithmetic number, because the mean of its divisors is an integer number (79617006).

Almost surely, 2^1312200110 is an apocalyptic number.

1312200110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312200110 is a deficient number, since it is larger than the sum of its proper divisors (1235544082).

1312200110 is a wasteful number, since it uses less digits than its factorization.

1312200110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16268.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1312200110 is about 36224.3027538143. The cubic root of 1312200110 is about 1094.7963897950.

Adding to 1312200110 its reverse (110022131), we get a palindrome (1422222241).

The spelling of 1312200110 in words is "one billion, three hundred twelve million, two hundred thousand, one hundred ten".