3120121322 has 4 divisors (see below), whose sum is σ = 4680181986. Its totient is φ = 1560060660.

The previous prime is 3120121321. The next prime is 3120121357. The reversal of 3120121322 is 2231210213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2231210213 = 31 ⋅71974523.

It can be written as a sum of positive squares in only one way, i.e., 2931031321 + 189090001 = 54139^2 + 13751^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3120121322.

It is not an unprimeable number, because it can be changed into a prime (3120121321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 780030329 + ... + 780030332.

Almost surely, 2^3120121322 is an apocalyptic number.

3120121322 is a deficient number, since it is larger than the sum of its proper divisors (1560060664).

3120121322 is a wasteful number, since it uses less digits than its factorization.

3120121322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560060663.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3120121322 is about 55858.0461706279. The cubic root of 3120121322 is about 1461.2476546515.

Adding to 3120121322 its reverse (2231210213), we get a palindrome (5351331535).

The spelling of 3120121322 in words is "three billion, one hundred twenty million, one hundred twenty-one thousand, three hundred twenty-two".