2312212220322 has 16 divisors (see below), whose sum is σ = 4682961459840. Its totient is φ = 760981236912.

The previous prime is 2312212220281. The next prime is 2312212220389. The reversal of 2312212220322 is 2230222122132.

It is a junction number, because it is equal to n+sod(n) for n = 2312212220292 and 2312212220301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2439041953 + ... + 2439042900.

It is an arithmetic number, because the mean of its divisors is an integer number (292685091240).

Almost surely, 2^{2312212220322} is an apocalyptic number.

2312212220322 is an abundant number, since it is smaller than the sum of its proper divisors (2370749239518).

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

2312212220322 is a wasteful number, since it uses less digits than its factorization.

2312212220322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4878084937.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2312212220322 its reverse (2230222122132), we get a palindrome (4542434342454).

The spelling of 2312212220322 in words is "two trillion, three hundred twelve billion, two hundred twelve million, two hundred twenty thousand, three hundred twenty-two".