12022002211278 has 16 divisors (see below), whose sum is σ = 24044108720976. Its totient is φ = 4007316687360.

The previous prime is 12022002211211. The next prime is 12022002211279. The reversal of 12022002211278 is 87211220022021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022002211279) 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, 2805313 + ... + 5649228.

It is an arithmetic number, because the mean of its divisors is an integer number (1502756795061).

Almost surely, 2^{12022002211278} is an apocalyptic number.

12022002211278 is an abundant number, since it is smaller than the sum of its proper divisors (12022106509698).

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

12022002211278 is a wasteful number, since it uses less digits than its factorization.

12022002211278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8691539.

The product of its (nonzero) digits is 3584, while the sum is 30.

Adding to 12022002211278 its reverse (87211220022021), we get a palindrome (99233222233299).

The spelling of 12022002211278 in words is "twelve trillion, twenty-two billion, two million, two hundred eleven thousand, two hundred seventy-eight".