1200212313 has 8 divisors (see below), whose sum is σ = 1600599168. Its totient is φ = 799983504.

The previous prime is 1200212309. The next prime is 1200212353. The reversal of 1200212313 is 3132120021.

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

It is not a de Polignac number, because 1200212313 - 2² = 1200212309 is a prime.

It is a super-3 number, since 3×1200212313³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1200212292 and 1200212301.

It is not an unprimeable number, because it can be changed into a prime (1200212353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20481 + ... + 53102.

It is an arithmetic number, because the mean of its divisors is an integer number (200074896).

Almost surely, 2^1200212313 is an apocalyptic number.

It is an amenable number.

1200212313 is a deficient number, since it is larger than the sum of its proper divisors (400386855).

1200212313 is an equidigital number, since it uses as much as digits as its factorization.

1200212313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79023.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1200212313 is about 34644.0804900347. The cubic root of 1200212313 is about 1062.7212366616.

Adding to 1200212313 its reverse (3132120021), we get a palindrome (4332332334).

The spelling of 1200212313 in words is "one billion, two hundred million, two hundred twelve thousand, three hundred thirteen".