312033213206 has 36 divisors (see below), whose sum is σ = 557086706316. Its totient is φ = 130923009360.

The previous prime is 312033213187. The next prime is 312033213209. The reversal of 312033213206 is 602312330213.

It is a happy number.

It is a super-2 number, since 2×312033213206² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312033213209) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3773876 + ... + 3855671.

It is an arithmetic number, because the mean of its divisors is an integer number (15474630731).

Almost surely, 2^312033213206 is an apocalyptic number.

312033213206 is a deficient number, since it is larger than the sum of its proper divisors (245053493110).

312033213206 is a wasteful number, since it uses less digits than its factorization.

312033213206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7629597 (or 7629573 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 312033213206 its reverse (602312330213), we get a palindrome (914345543419).

The spelling of 312033213206 in words is "three hundred twelve billion, thirty-three million, two hundred thirteen thousand, two hundred six".