12022525511 has 16 divisors (see below), whose sum is σ = 12791520000. Its totient is φ = 11260537728.

The previous prime is 12022525451. The next prime is 12022525549. The reversal of 12022525511 is 11552522021.

It is a happy number.

12022525511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12022525511 is a prime.

It is a super-2 number, since 2×12022525511² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022525561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3434240 + ... + 3437738.

It is an arithmetic number, because the mean of its divisors is an integer number (799470000).

Almost surely, 2^12022525511 is an apocalyptic number.

12022525511 is a deficient number, since it is larger than the sum of its proper divisors (768994489).

12022525511 is a wasteful number, since it uses less digits than its factorization.

12022525511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4438.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 12022525511 in words is "twelve billion, twenty-two million, five hundred twenty-five thousand, five hundred eleven".