120012120100011 has 4 divisors (see below), whose sum is σ = 160016160133352. Its totient is φ = 80008080066672.

The previous prime is 120012120100009. The next prime is 120012120100051. The reversal of 120012120100011 is 110001021210021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120012120100011 - 2¹ = 120012120100009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120012120100011.

It is not an unprimeable number, because it can be changed into a prime (120012120100051) 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, 20002020016666 + ... + 20002020016671.

It is an arithmetic number, because the mean of its divisors is an integer number (40004040033338).

Almost surely, 2^{120012120100011} is an apocalyptic number.

120012120100011 is a deficient number, since it is larger than the sum of its proper divisors (40004040033341).

120012120100011 is an equidigital number, since it uses as much as digits as its factorization.

120012120100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40004040033340.

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

Adding to 120012120100011 its reverse (110001021210021), we get a palindrome (230013141310032).

The spelling of 120012120100011 in words is "one hundred twenty trillion, twelve billion, one hundred twenty million, one hundred thousand, eleven".