12020010001111 has 8 divisors (see below), whose sum is σ = 13873165716384. Its totient is φ = 10200857143200.

The previous prime is 12020010001091. The next prime is 12020010001151. The reversal of 12020010001111 is 11110001002021.

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 12020010001111 - 2⁵ = 12020010001079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020010001151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8500713580 + ... + 8500714993.

It is an arithmetic number, because the mean of its divisors is an integer number (1734145714548).

Almost surely, 2^{12020010001111} is an apocalyptic number.

12020010001111 is a deficient number, since it is larger than the sum of its proper divisors (1853155715273).

12020010001111 is a wasteful number, since it uses less digits than its factorization.

12020010001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17001428681.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12020010001111 its reverse (11110001002021), we get a palindrome (23130011003132).

The spelling of 12020010001111 in words is "twelve trillion, twenty billion, ten million, one thousand, one hundred eleven".