12002122011 has 12 divisors (see below), whose sum is σ = 17589887336. Its totient is φ = 7274013120.

The previous prime is 12002122001. The next prime is 12002122057. The reversal of 12002122011 is 11022120021.

It is not a de Polignac number, because 12002122011 - 2⁵ = 12002121979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12002122001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16531486 + ... + 16532211.

Almost surely, 2^12002122011 is an apocalyptic number.

12002122011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12002122011 is a deficient number, since it is larger than the sum of its proper divisors (5587765325).

12002122011 is a wasteful number, since it uses less digits than its factorization.

12002122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33063722 (or 33063711 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12002122011 its reverse (11022120021), we get a palindrome (23024242032).

The spelling of 12002122011 in words is "twelve billion, two million, one hundred twenty-two thousand, eleven".