312020011222 has 16 divisors (see below), whose sum is σ = 469311644880. Its totient is φ = 155582931168.

The previous prime is 312020011183. The next prime is 312020011241. The reversal of 312020011222 is 222110020213.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 312020011196 and 312020011205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5133373 + ... + 5193799.

It is an arithmetic number, because the mean of its divisors is an integer number (29331977805).

Almost surely, 2^312020011222 is an apocalyptic number.

312020011222 is a deficient number, since it is larger than the sum of its proper divisors (157291633658).

312020011222 is a wasteful number, since it uses less digits than its factorization.

312020011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67455.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 312020011222 its reverse (222110020213), we get a palindrome (534130031435).

The spelling of 312020011222 in words is "three hundred twelve billion, twenty million, eleven thousand, two hundred twenty-two".