12002112012011 has 4 divisors (see below), whose sum is σ = 13093213104024. Its totient is φ = 10911010920000.

The previous prime is 12002112011983. The next prime is 12002112012013. The reversal of 12002112012011 is 11021021120021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12002112012011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12002112012013) 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, 545550545990 + ... + 545550546011.

It is an arithmetic number, because the mean of its divisors is an integer number (3273303276006).

Almost surely, 2^{12002112012011} is an apocalyptic number.

12002112012011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12002112012011 is a deficient number, since it is larger than the sum of its proper divisors (1091101092013).

12002112012011 is a wasteful number, since it uses less digits than its factorization.

12002112012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091101092012.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12002112012011 its reverse (11021021120021), we get a palindrome (23023133132032).

The spelling of 12002112012011 in words is "twelve trillion, two billion, one hundred twelve million, twelve thousand, eleven".