12022125551 has 4 divisors (see below), whose sum is σ = 12058446504. Its totient is φ = 11985804600.

The previous prime is 12022125541. The next prime is 12022125667. The reversal of 12022125551 is 15552122021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15552122021 = 94841 ⋅163981.

It is a cyclic number.

It is not a de Polignac number, because 12022125551 - 2⁶ = 12022125487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12022125551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022125541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18159980 + ... + 18160641.

It is an arithmetic number, because the mean of its divisors is an integer number (3014611626).

Almost surely, 2^12022125551 is an apocalyptic number.

12022125551 is a deficient number, since it is larger than the sum of its proper divisors (36320953).

12022125551 is an equidigital number, since it uses as much as digits as its factorization.

12022125551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36320952.

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

Adding to 12022125551 its reverse (15552122021), we get a palindrome (27574247572).

The spelling of 12022125551 in words is "twelve billion, twenty-two million, one hundred twenty-five thousand, five hundred fifty-one".