120111212018 has 8 divisors (see below), whose sum is σ = 205904934912. Its totient is φ = 51476233716.

The previous prime is 120111212017. The next prime is 120111212027. The reversal of 120111212018 is 810212111021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (120111212017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4289686130 + ... + 4289686157.

It is an arithmetic number, because the mean of its divisors is an integer number (25738116864).

Almost surely, 2^120111212018 is an apocalyptic number.

120111212018 is a deficient number, since it is larger than the sum of its proper divisors (85793722894).

120111212018 is an equidigital number, since it uses as much as digits as its factorization.

120111212018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8579372296.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 120111212018 its reverse (810212111021), we get a palindrome (930323323039).

The spelling of 120111212018 in words is "one hundred twenty billion, one hundred eleven million, two hundred twelve thousand, eighteen".