12122212022012 has 12 divisors (see below), whose sum is σ = 21213895911096. Its totient is φ = 6061098904560.

The previous prime is 12122212022009. The next prime is 12122212022059. The reversal of 12122212022012 is 21022021222121.

It is a super-2 number, since 2×12122212022012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4622087 + ... + 6753377.

It is an arithmetic number, because the mean of its divisors is an integer number (1767824659258).

Almost surely, 2^{12122212022012} is an apocalyptic number.

It is an amenable number.

12122212022012 is a deficient number, since it is larger than the sum of its proper divisors (9091683889084).

12122212022012 is a wasteful number, since it uses less digits than its factorization.

12122212022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3553228 (or 3553226 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12122212022012 its reverse (21022021222121), we get a palindrome (33144233244133).

The spelling of 12122212022012 in words is "twelve trillion, one hundred twenty-two billion, two hundred twelve million, twenty-two thousand, twelve".