12018270122 has 32 divisors (see below), whose sum is σ = 19823424192. Its totient is φ = 5441635584.

The previous prime is 12018270113. The next prime is 12018270133. The reversal of 12018270122 is 22107281021.

It is a junction number, because it is equal to n+sod(n) for n = 12018270091 and 12018270100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36608 + ... + 159300.

It is an arithmetic number, because the mean of its divisors is an integer number (619482006).

Almost surely, 2^12018270122 is an apocalyptic number.

12018270122 is a deficient number, since it is larger than the sum of its proper divisors (7805154070).

12018270122 is a wasteful number, since it uses less digits than its factorization.

12018270122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122822.

The product of its (nonzero) digits is 896, while the sum is 26.

The spelling of 12018270122 in words is "twelve billion, eighteen million, two hundred seventy thousand, one hundred twenty-two".