120012012011 has 4 divisors (see below), whose sum is σ = 120013029024. Its totient is φ = 120010995000.

The previous prime is 120012011983. The next prime is 120012012019. The reversal of 120012012011 is 110210210021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 120012012011 - 2⁶ = 120012011947 is a prime.

It is a super-3 number, since 3×120012012011³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120012011983 and 120012012001.

It is not an unprimeable number, because it can be changed into a prime (120012012019) 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, 304115 + ... + 576636.

It is an arithmetic number, because the mean of its divisors is an integer number (30003257256).

Almost surely, 2^120012012011 is an apocalyptic number.

120012012011 is a deficient number, since it is larger than the sum of its proper divisors (1017013).

120012012011 is an equidigital number, since it uses as much as digits as its factorization.

120012012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017012.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120012012011 its reverse (110210210021), we get a palindrome (230222222032).

The spelling of 120012012011 in words is "one hundred twenty billion, twelve million, twelve thousand, eleven".