3123210122 has 4 divisors (see below), whose sum is σ = 4684815186. Its totient is φ = 1561605060.

The previous prime is 3123210073. The next prime is 3123210127. The reversal of 3123210122 is 2210123213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2210123213 = 139 ⋅15900167.

It can be written as a sum of positive squares in only one way, i.e., 2362057201 + 761152921 = 48601^2 + 27589^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3123210122.

It is not an unprimeable number, because it can be changed into a prime (3123210127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 780802529 + ... + 780802532.

Almost surely, 2^3123210122 is an apocalyptic number.

3123210122 is a deficient number, since it is larger than the sum of its proper divisors (1561605064).

3123210122 is a wasteful number, since it uses less digits than its factorization.

3123210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561605063.

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

The square root of 3123210122 is about 55885.6879889655. The cubic root of 3123210122 is about 1461.7296885973.

Adding to 3123210122 its reverse (2210123213), we get a palindrome (5333333335).

The spelling of 3123210122 in words is "three billion, one hundred twenty-three million, two hundred ten thousand, one hundred twenty-two".