120012111111201 has 32 divisors (see below), whose sum is σ = 164939487713280. Its totient is φ = 77562174433536.

The previous prime is 120012111111161. The next prime is 120012111111251. The reversal of 120012111111201 is 102111111210021.

It is not a de Polignac number, because 120012111111201 - 2¹⁴ = 120012111094817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120012111111251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1804415935 + ... + 1804482443.

It is an arithmetic number, because the mean of its divisors is an integer number (5154358991040).

Almost surely, 2^{120012111111201} is an apocalyptic number.

It is an amenable number.

120012111111201 is a deficient number, since it is larger than the sum of its proper divisors (44927376602079).

120012111111201 is a wasteful number, since it uses less digits than its factorization.

120012111111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125513.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 120012111111201 its reverse (102111111210021), we get a palindrome (222123222321222).

The spelling of 120012111111201 in words is "one hundred twenty trillion, twelve billion, one hundred eleven million, one hundred eleven thousand, two hundred one".