12000012011 has 8 divisors (see below), whose sum is σ = 12969747504. Its totient is φ = 11036941920.

The previous prime is 12000011861. The next prime is 12000012023. The reversal of 12000012011 is 11021000021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12000012011 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 12000012011.

It is not an unprimeable number, because it can be changed into a prime (12000012041) 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, 1662605 + ... + 1669806.

It is an arithmetic number, because the mean of its divisors is an integer number (1621218438).

Almost surely, 2^12000012011 is an apocalyptic number.

12000012011 is a deficient number, since it is larger than the sum of its proper divisors (969735493).

12000012011 is a wasteful number, since it uses less digits than its factorization.

12000012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332701.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12000012011 its reverse (11021000021), we get a palindrome (23021012032).

The spelling of 12000012011 in words is "twelve billion, twelve thousand, eleven".