12019122 has 24 divisors (see below), whose sum is σ = 26597376. Its totient is φ = 3920856.

The previous prime is 12019099. The next prime is 12019151. The reversal of 12019122 is 22191021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12019095 and 12019104.

It is a congruent number.

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, 6258 + ... + 7949.

It is an arithmetic number, because the mean of its divisors is an integer number (1108224).

Almost surely, 2^12019122 is an apocalyptic number.

12019122 is an abundant number, since it is smaller than the sum of its proper divisors (14578254).

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

12019122 is a wasteful number, since it uses less digits than its factorization.

12019122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14262 (or 14259 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 12019122 is about 3466.8605394506. The cubic root of 12019122 is about 229.0643907840.

The spelling of 12019122 in words is "twelve million, nineteen thousand, one hundred twenty-two".