312222202123 has 8 divisors (see below), whose sum is σ = 336261398816. Its totient is φ = 288186163200.

The previous prime is 312222202121. The next prime is 312222202241. The reversal of 312222202123 is 321202222213.

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

It is not a de Polignac number, because 312222202123 - 2¹ = 312222202121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312222202094 and 312222202103.

It is not an unprimeable number, because it can be changed into a prime (312222202121) 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, 582063 + ... + 981448.

It is an arithmetic number, because the mean of its divisors is an integer number (42032674852).

Almost surely, 2^312222202123 is an apocalyptic number.

312222202123 is a deficient number, since it is larger than the sum of its proper divisors (24039196693).

312222202123 is a wasteful number, since it uses less digits than its factorization.

312222202123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578885.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 312222202123 its reverse (321202222213), we get a palindrome (633424424336).

The spelling of 312222202123 in words is "three hundred twelve billion, two hundred twenty-two million, two hundred two thousand, one hundred twenty-three".