120012012111 has 8 divisors (see below), whose sum is σ = 163035186480. Its totient is φ = 78498422912.

The previous prime is 120012012103. The next prime is 120012012139. The reversal of 120012012111 is 111210210021.

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

It is a cyclic number.

It is not a de Polignac number, because 120012012111 - 2³ = 120012012103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012012811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377396106 + ... + 377396423.

It is an arithmetic number, because the mean of its divisors is an integer number (20379398310).

Almost surely, 2^120012012111 is an apocalyptic number.

120012012111 is a deficient number, since it is larger than the sum of its proper divisors (43023174369).

120012012111 is an equidigital number, since it uses as much as digits as its factorization.

120012012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754792585.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120012012111 its reverse (111210210021), we get a palindrome (231222222132).

The spelling of 120012012111 in words is "one hundred twenty billion, twelve million, twelve thousand, one hundred eleven".