12122440011 has 12 divisors (see below), whose sum is σ = 19102026840. Its totient is φ = 7346933280.

The previous prime is 12122439997. The next prime is 12122440037. The reversal of 12122440011 is 11004422121.

12122440011 is a `hidden beast` number, since 1 + 212 + 2 + 440 + 0 + 11 = 666.

It is not a de Polignac number, because 12122440011 - 2⁹ = 12122439499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12122440411) 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, 61224346 + ... + 61224543.

It is an arithmetic number, because the mean of its divisors is an integer number (1591835570).

Almost surely, 2^12122440011 is an apocalyptic number.

12122440011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12122440011 is a deficient number, since it is larger than the sum of its proper divisors (6979586829).

12122440011 is a wasteful number, since it uses less digits than its factorization.

12122440011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122448906 (or 122448903 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12122440011 its reverse (11004422121), we get a palindrome (23126862132).

The spelling of 12122440011 in words is "twelve billion, one hundred twenty-two million, four hundred forty thousand, eleven".