12022001332156 has 24 divisors (see below), whose sum is σ = 21172357926720. Its totient is φ = 5972865326400.

The previous prime is 12022001332087. The next prime is 12022001332157. The reversal of 12022001332156 is 65123310022021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022001332157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13198455 + ... + 14079886.

It is an arithmetic number, because the mean of its divisors is an integer number (882181580280).

Almost surely, 2^{12022001332156} is an apocalyptic number.

It is an amenable number.

12022001332156 is a deficient number, since it is larger than the sum of its proper divisors (9150356594564).

12022001332156 is a wasteful number, since it uses less digits than its factorization.

12022001332156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27279045 (or 27279043 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 12022001332156 its reverse (65123310022021), we get a palindrome (77145311354177).

The spelling of 12022001332156 in words is "twelve trillion, twenty-two billion, one million, three hundred thirty-two thousand, one hundred fifty-six".