12012120011 has 8 divisors (see below), whose sum is σ = 12131407584. Its totient is φ = 11893060480.

The previous prime is 12012119989. The next prime is 12012120013. The reversal of 12012120011 is 11002121021.

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 12012120011 - 2²⁶ = 11945011147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12012119974 and 12012120001.

It is not an unprimeable number, because it can be changed into a prime (12012120013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49850 + ... + 162816.

It is an arithmetic number, because the mean of its divisors is an integer number (1516425948).

Almost surely, 2^12012120011 is an apocalyptic number.

12012120011 is a deficient number, since it is larger than the sum of its proper divisors (119287573).

12012120011 is a wasteful number, since it uses less digits than its factorization.

12012120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114021.

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

Adding to 12012120011 its reverse (11002121021), we get a palindrome (23014241032).

It can be divided in two parts, 1201 and 2120011, that added together give a palindrome (2121212).

The spelling of 12012120011 in words is "twelve billion, twelve million, one hundred twenty thousand, eleven".