12203120011 has 4 divisors (see below), whose sum is σ = 12214732024. Its totient is φ = 12191508000.

The previous prime is 12203119963. The next prime is 12203120077. The reversal of 12203120011 is 11002130221.

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 12203120011 - 2⁷ = 12203119883 is a prime.

It is a super-2 number, since 2×12203120011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12203119973 and 12203120000.

It is not an unprimeable number, because it can be changed into a prime (12203120411) 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, 5804430 + ... + 5806531.

It is an arithmetic number, because the mean of its divisors is an integer number (3053683006).

Almost surely, 2^12203120011 is an apocalyptic number.

12203120011 is a deficient number, since it is larger than the sum of its proper divisors (11612013).

12203120011 is a wasteful number, since it uses less digits than its factorization.

12203120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11612012.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12203120011 its reverse (11002130221), we get a palindrome (23205250232).

The spelling of 12203120011 in words is "twelve billion, two hundred three million, one hundred twenty thousand, eleven".