312212101303 has 16 divisors (see below), whose sum is σ = 318471600384. Its totient is φ = 306002442240.

The previous prime is 312212101297. The next prime is 312212101363. The reversal of 312212101303 is 303101212213.

It is a cyclic number.

It is not a de Polignac number, because 312212101303 - 2⁹ = 312212100791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312212101363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15607638 + ... + 15627628.

It is an arithmetic number, because the mean of its divisors is an integer number (19904475024).

Almost surely, 2^312212101303 is an apocalyptic number.

312212101303 is a deficient number, since it is larger than the sum of its proper divisors (6259499081).

312212101303 is a wasteful number, since it uses less digits than its factorization.

312212101303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21222.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 312212101303 its reverse (303101212213), we get a palindrome (615313313516).

The spelling of 312212101303 in words is "three hundred twelve billion, two hundred twelve million, one hundred one thousand, three hundred three".