12220122012122 has 16 divisors (see below), whose sum is σ = 19037561955072. Its totient is φ = 5876686416960.

The previous prime is 12220122012121. The next prime is 12220122012173. The reversal of 12220122012122 is 22121022102221.

It is a super-2 number, since 2×12220122012122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12220122012094 and 12220122012103.

It is not an unprimeable number, because it can be changed into a prime (12220122012121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604587263 + ... + 604607474.

It is an arithmetic number, because the mean of its divisors is an integer number (1189847622192).

Almost surely, 2^{12220122012122} is an apocalyptic number.

12220122012122 is a deficient number, since it is larger than the sum of its proper divisors (6817439942950).

12220122012122 is a wasteful number, since it uses less digits than its factorization.

12220122012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209194933.

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

Adding to 12220122012122 its reverse (22121022102221), we get a palindrome (34341144114343).

Subtracting 12220122012122 from its reverse (22121022102221), we obtain a palindrome (9900900090099).

The spelling of 12220122012122 in words is "twelve trillion, two hundred twenty billion, one hundred twenty-two million, twelve thousand, one hundred twenty-two".