312212002 has 8 divisors (see below), whose sum is σ = 468724176. Its totient is φ = 155970612.

The previous prime is 312211997. The next prime is 312212003. The reversal of 312212002 is 200212213.

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

It is not an unprimeable number, because it can be changed into a prime (312212003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64788 + ... + 69439.

It is an arithmetic number, because the mean of its divisors is an integer number (58590522).

Almost surely, 2^312212002 is an apocalyptic number.

312212002 is a deficient number, since it is larger than the sum of its proper divisors (156512174).

312212002 is a wasteful number, since it uses less digits than its factorization.

312212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135392.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 312212002 is about 17669.5218384652. The cubic root of 312212002 is about 678.3958742504.

Adding to 312212002 its reverse (200212213), we get a palindrome (512424215).

The spelling of 312212002 in words is "three hundred twelve million, two hundred twelve thousand, two".