12010220012011 has 4 divisors (see below), whose sum is σ = 12934083089872. Its totient is φ = 11086356934152.

The previous prime is 12010220011997. The next prime is 12010220012017. The reversal of 12010220012011 is 11021002201021.

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

It is a cyclic number.

It is not a de Polignac number, because 12010220012011 - 2²⁵ = 12010186457579 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 923863077847 = 12010220012011 / (1 + 2 + 0 + 1 + 0 + 2 + 2 + 0 + 0 + 1 + 2 + 0 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010220011982 and 12010220012000.

It is not an unprimeable number, because it can be changed into a prime (12010220012017) 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, 461931538911 + ... + 461931538936.

It is an arithmetic number, because the mean of its divisors is an integer number (3233520772468).

Almost surely, 2^{12010220012011} is an apocalyptic number.

12010220012011 is a deficient number, since it is larger than the sum of its proper divisors (923863077861).

12010220012011 is an equidigital number, since it uses as much as digits as its factorization.

12010220012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923863077860.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12010220012011 its reverse (11021002201021), we get a palindrome (23031222213032).

The spelling of 12010220012011 in words is "twelve trillion, ten billion, two hundred twenty million, twelve thousand, eleven".