12010010011011 has 20 divisors (see below), whose sum is σ = 17948724151072. Its totient is φ = 8003172266928.

The previous prime is 12010010011009. The next prime is 12010010011033. The reversal of 12010010011011 is 11011001001021.

It is not a de Polignac number, because 12010010011011 - 2¹ = 12010010011009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010010010984 and 12010010011002.

It is not an unprimeable number, because it can be changed into a prime (12010010011001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32230960 + ... + 32601453.

Almost surely, 2^{12010010011011} is an apocalyptic number.

12010010011011 is a deficient number, since it is larger than the sum of its proper divisors (5938714140061).

12010010011011 is an equidigital number, since it uses as much as digits as its factorization.

12010010011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64834712 (or 64834703 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 12010010011011 its reverse (11011001001021), we get a palindrome (23021011012032).

The spelling of 12010010011011 in words is "twelve trillion, ten billion, ten million, eleven thousand, eleven".