12012010011101 has 8 divisors (see below), whose sum is σ = 12025436092920. Its totient is φ = 11998584997888.

The previous prime is 12012010011061. The next prime is 12012010011109. The reversal of 12012010011101 is 10111001021021.

It can be written as a sum of positive squares in 4 ways, for example, as 988580787076 + 11023429224025 = 994274^2 + 3320155^2 .

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-12012010011101 is a prime.

It is a super-2 number, since 2×12012010011101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012010011109) 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, 23395595 + ... + 23903511.

It is an arithmetic number, because the mean of its divisors is an integer number (1503179511615).

Almost surely, 2^{12012010011101} is an apocalyptic number.

It is an amenable number.

12012010011101 is a deficient number, since it is larger than the sum of its proper divisors (13426081819).

12012010011101 is an equidigital number, since it uses as much as digits as its factorization.

12012010011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534303.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12012010011101 its reverse (10111001021021), we get a palindrome (22123011032122).

The spelling of 12012010011101 in words is "twelve trillion, twelve billion, ten million, eleven thousand, one hundred one".