12010022011 has 24 divisors (see below), whose sum is σ = 13797169344. Its totient is φ = 10413411840.

The previous prime is 12010021997. The next prime is 12010022021. The reversal of 12010022011 is 11022001021.

It is not a de Polignac number, because 12010022011 - 2²⁵ = 11976467579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12010022021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1550430 + ... + 1558156.

It is an arithmetic number, because the mean of its divisors is an integer number (574882056).

Almost surely, 2^12010022011 is an apocalyptic number.

12010022011 is a deficient number, since it is larger than the sum of its proper divisors (1787147333).

12010022011 is a wasteful number, since it uses less digits than its factorization.

12010022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8311 (or 8298 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12010022011 its reverse (11022001021), we get a palindrome (23032023032).

The spelling of 12010022011 in words is "twelve billion, ten million, twenty-two thousand, eleven".