3112123522 has 4 divisors (see below), whose sum is σ = 4668185286. Its totient is φ = 1556061760.

The previous prime is 3112123519. The next prime is 3112123523. The reversal of 3112123522 is 2253212113.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3060413041 + 51710481 = 55321^2 + 7191^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3112123493 and 3112123502.

It is not an unprimeable number, because it can be changed into a prime (3112123523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 778030879 + ... + 778030882.

Almost surely, 2^3112123522 is an apocalyptic number.

3112123522 is a deficient number, since it is larger than the sum of its proper divisors (1556061764).

3112123522 is a wasteful number, since it uses less digits than its factorization.

3112123522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556061763.

The product of its digits is 720, while the sum is 22.

The square root of 3112123522 is about 55786.4098325031. The cubic root of 3112123522 is about 1459.9980487245.

Adding to 3112123522 its reverse (2253212113), we get a palindrome (5365335635).

The spelling of 3112123522 in words is "three billion, one hundred twelve million, one hundred twenty-three thousand, five hundred twenty-two".