12012013011 has 8 divisors (see below), whose sum is σ = 16039198144. Its totient is φ = 7996418280.

The previous prime is 12012012923. The next prime is 12012013043. The reversal of 12012013011 is 11031021021.

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

It is not a de Polignac number, because 12012013011 - 2¹³ = 12012004819 is a prime.

It is a super-2 number, since 2×12012013011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012013081) 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, 2895181 + ... + 2899326.

It is an arithmetic number, because the mean of its divisors is an integer number (2004899768).

Almost surely, 2^12012013011 is an apocalyptic number.

12012013011 is a deficient number, since it is larger than the sum of its proper divisors (4027185133).

12012013011 is an equidigital number, since it uses as much as digits as its factorization.

12012013011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5795201.

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

Adding to 12012013011 its reverse (11031021021), we get a palindrome (23043034032).

The spelling of 12012013011 in words is "twelve billion, twelve million, thirteen thousand, eleven".