3123121322 has 8 divisors (see below), whose sum is σ = 4718877156. Its totient is φ = 1550162272.

The previous prime is 3123121321. The next prime is 3123121327. The reversal of 3123121322 is 2231213213.

It can be written as a sum of positive squares in 2 ways, for example, as 3113751601 + 9369721 = 55801^2 + 3061^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 3123121294 and 3123121303.

It is not an unprimeable number, because it can be changed into a prime (3123121321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5698853 + ... + 5699400.

Almost surely, 2^3123121322 is an apocalyptic number.

3123121322 is a deficient number, since it is larger than the sum of its proper divisors (1595755834).

3123121322 is a wasteful number, since it uses less digits than its factorization.

3123121322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11398392.

The product of its digits is 432, while the sum is 20.

The square root of 3123121322 is about 55884.8935044167. The cubic root of 3123121322 is about 1461.7158350277.

Adding to 3123121322 its reverse (2231213213), we get a palindrome (5354334535).

The spelling of 3123121322 in words is "three billion, one hundred twenty-three million, one hundred twenty-one thousand, three hundred twenty-two".