12021100010018 has 32 divisors (see below), whose sum is σ = 20309386825728. Its totient is φ = 5286844990800.

The previous prime is 12021100009973. The next prime is 12021100010027. The reversal of 12021100010018 is 81001000112021.

12021100010018 is digitally balanced in base 2, because in such base 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 = 12021100009978 and 12021100010005.

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, 1797971 + ... + 5222537.

It is an arithmetic number, because the mean of its divisors is an integer number (634668338304).

Almost surely, 2^{12021100010018} is an apocalyptic number.

12021100010018 is a deficient number, since it is larger than the sum of its proper divisors (8288286815710).

12021100010018 is a wasteful number, since it uses less digits than its factorization.

12021100010018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3429758.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12021100010018 its reverse (81001000112021), we get a palindrome (93022100122039).

The spelling of 12021100010018 in words is "twelve trillion, twenty-one billion, one hundred million, ten thousand, eighteen".