12031122 has 16 divisors (see below), whose sum is σ = 24649632. Its totient is φ = 3912480.

The previous prime is 12031111. The next prime is 12031133. The reversal of 12031122 is 22113021.

12031122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12031111) and next prime (12031133).

It is a junction number, because it is equal to n+sod(n) for n = 12031098 and 12031107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24208 + ... + 24699.

It is an arithmetic number, because the mean of its divisors is an integer number (1540602).

Almost surely, 2^12031122 is an apocalyptic number.

12031122 is an abundant number, since it is smaller than the sum of its proper divisors (12618510).

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

12031122 is a wasteful number, since it uses less digits than its factorization.

12031122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48953.

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

The square root of 12031122 is about 3468.5907801296. The cubic root of 12031122 is about 229.1405987465.

Adding to 12031122 its reverse (22113021), we get a palindrome (34144143).

The spelling of 12031122 in words is "twelve million, thirty-one thousand, one hundred twenty-two".