312040122 has 16 divisors (see below), whose sum is σ = 624730752. Its totient is φ = 103904960.

The previous prime is 312040111. The next prime is 312040123. The reversal of 312040122 is 221040213.

312040122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (312040123) 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, 20754 + ... + 32477.

It is an arithmetic number, because the mean of its divisors is an integer number (39045672).

Almost surely, 2^312040122 is an apocalyptic number.

312040122 is an abundant number, since it is smaller than the sum of its proper divisors (312690630).

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

312040122 is a wasteful number, since it uses less digits than its factorization.

312040122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54213.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 312040122 is about 17664.6574266245. The cubic root of 312040122 is about 678.2713604733.

Adding to 312040122 its reverse (221040213), we get a palindrome (533080335).

Subtracting from 312040122 its reverse (221040213), we obtain a palindrome (90999909).

The spelling of 312040122 in words is "three hundred twelve million, forty thousand, one hundred twenty-two".