312022021123 has 8 divisors (see below), whose sum is σ = 316261370880. Its totient is φ = 307789914120.

The previous prime is 312022021109. The next prime is 312022021127. The reversal of 312022021123 is 321120220213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312022021123 - 2¹³ = 312022012931 is a prime.

It is a super-2 number, since 2×312022021123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312022021123.

It is not an unprimeable number, because it can be changed into a prime (312022021127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1723915 + ... + 1896292.

It is an arithmetic number, because the mean of its divisors is an integer number (39532671360).

Almost surely, 2^312022021123 is an apocalyptic number.

312022021123 is a deficient number, since it is larger than the sum of its proper divisors (4239349757).

312022021123 is a wasteful number, since it uses less digits than its factorization.

312022021123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3621377.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 312022021123 its reverse (321120220213), we get a palindrome (633142241336).

The spelling of 312022021123 in words is "three hundred twelve billion, twenty-two million, twenty-one thousand, one hundred twenty-three".