312230022222340 has 48 divisors (see below), whose sum is σ = 660695181854400. Its totient is φ = 123937336448640.

The previous prime is 312230022222329. The next prime is 312230022222343. The reversal of 312230022222340 is 43222220032213.

It is a junction number, because it is equal to n+sod(n) for n = 312230022222299 and 312230022222308.

It is not an unprimeable number, because it can be changed into a prime (312230022222343) 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, 272298259 + ... + 273442501.

It is an arithmetic number, because the mean of its divisors is an integer number (13764482955300).

Almost surely, 2^{312230022222340} is an apocalyptic number.

It is an amenable number.

312230022222340 is an abundant number, since it is smaller than the sum of its proper divisors (348465159632060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312230022222340 is a wasteful number, since it uses less digits than its factorization.

312230022222340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248532 (or 1248530 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 312230022222340 its reverse (43222220032213), we get a palindrome (355452242254553).

The spelling of 312230022222340 in words is "three hundred twelve trillion, two hundred thirty billion, twenty-two million, two hundred twenty-two thousand, three hundred forty".