12122221010022 has 12 divisors (see below), whose sum is σ = 26264812188420. Its totient is φ = 4040740336668.

The previous prime is 12122221009889. The next prime is 12122221010111. The reversal of 12122221010022 is 22001012222121.

It is a happy number.

12122221010022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 673456722779 = 12122221010022 / (1 + 2 + 1 + 2 + 2 + 2 + 2 + 1 + 0 + 1 + 0 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 12122221009977 and 12122221010004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 336728361372 + ... + 336728361407.

It is an arithmetic number, because the mean of its divisors is an integer number (2188734349035).

Almost surely, 2^{12122221010022} is an apocalyptic number.

12122221010022 is an abundant number, since it is smaller than the sum of its proper divisors (14142591178398).

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

12122221010022 is a wasteful number, since it uses less digits than its factorization.

12122221010022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673456722787 (or 673456722784 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12122221010022 its reverse (22001012222121), we get a palindrome (34123233232143).

The spelling of 12122221010022 in words is "twelve trillion, one hundred twenty-two billion, two hundred twenty-one million, ten thousand, twenty-two".