12222001122 has 16 divisors (see below), whose sum is σ = 24450392640. Its totient is φ = 4072935312.

The previous prime is 12222001091. The next prime is 12222001163. The reversal of 12222001122 is 22110022221.

It is a super-2 number, since 2×12222001122² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241222 + ... + 287457.

It is an arithmetic number, because the mean of its divisors is an integer number (1528149540).

Almost surely, 2^12222001122 is an apocalyptic number.

12222001122 is an abundant number, since it is smaller than the sum of its proper divisors (12228391518).

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

12222001122 is a wasteful number, since it uses less digits than its factorization.

12222001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532537.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12222001122 its reverse (22110022221), we get a palindrome (34332023343).

The spelling of 12222001122 in words is "twelve billion, two hundred twenty-two million, one thousand, one hundred twenty-two".