12422071156 has 48 divisors (see below), whose sum is σ = 25140386880. Its totient is φ = 5307793920.

The previous prime is 12422071147. The next prime is 12422071157. The reversal of 12422071156 is 65117022421.

12422071156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422071157) 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, 632866 + ... + 652198.

It is an arithmetic number, because the mean of its divisors is an integer number (523758060).

Almost surely, 2^12422071156 is an apocalyptic number.

It is an amenable number.

12422071156 is an abundant number, since it is smaller than the sum of its proper divisors (12718315724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12422071156 is a wasteful number, since it uses less digits than its factorization.

12422071156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20224 (or 20222 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

Adding to 12422071156 its reverse (65117022421), we get a palindrome (77539093577).

The spelling of 12422071156 in words is "twelve billion, four hundred twenty-two million, seventy-one thousand, one hundred fifty-six".