12013122 has 24 divisors (see below), whose sum is σ = 26410608. Its totient is φ = 3640120.

The previous prime is 12013117. The next prime is 12013189. The reversal of 12013122 is 22131021.

12013122 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12013098 and 12013107.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7548 + ... + 8999.

It is an arithmetic number, because the mean of its divisors is an integer number (1100442).

Almost surely, 2^12013122 is an apocalyptic number.

12013122 is an abundant number, since it is smaller than the sum of its proper divisors (14397486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12013122 is a wasteful number, since it uses less digits than its factorization.

12013122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16574 (or 16563 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 12013122 is about 3465.9950952071. The cubic root of 12013122 is about 229.0262677800.

Adding to 12013122 its reverse (22131021), we get a palindrome (34144143).

The spelling of 12013122 in words is "twelve million, thirteen thousand, one hundred twenty-two".