2012001200111 has 4 divisors (see below), whose sum is σ = 2299429942992. Its totient is φ = 1724572457232.

The previous prime is 2012001200087. The next prime is 2012001200113. The reversal of 2012001200111 is 1110021002102.

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-2012001200111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2012001200092 and 2012001200101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012001200113) 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, 143714371430 + ... + 143714371443.

It is an arithmetic number, because the mean of its divisors is an integer number (574857485748).

Almost surely, 2^{2012001200111} is an apocalyptic number.

2012001200111 is a deficient number, since it is larger than the sum of its proper divisors (287428742881).

2012001200111 is an equidigital number, since it uses as much as digits as its factorization.

2012001200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287428742880.

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

Adding to 2012001200111 its reverse (1110021002102), we get a palindrome (3122022202213).

The spelling of 2012001200111 in words is "two trillion, twelve billion, one million, two hundred thousand, one hundred eleven".