312123333122 has 16 divisors (see below), whose sum is σ = 495886253472. Its totient is φ = 146833876800.

The previous prime is 312123333121. The next prime is 312123333163. The reversal of 312123333122 is 221333321213.

It is a junction number, because it is equal to n+sod(n) for n = 312123333091 and 312123333100.

It is not an unprimeable number, because it can be changed into a prime (312123333121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1384004 + ... + 1593647.

It is an arithmetic number, because the mean of its divisors is an integer number (30992890842).

Almost surely, 2^312123333122 is an apocalyptic number.

312123333122 is a deficient number, since it is larger than the sum of its proper divisors (183762920350).

312123333122 is a wasteful number, since it uses less digits than its factorization.

312123333122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2980753.

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

Adding to 312123333122 its reverse (221333321213), we get a palindrome (533456654335).

The spelling of 312123333122 in words is "three hundred twelve billion, one hundred twenty-three million, three hundred thirty-three thousand, one hundred twenty-two".