12221324324122 has 8 divisors (see below), whose sum is σ = 18337493250900. Its totient is φ = 6108826573824.

The previous prime is 12221324324107. The next prime is 12221324324147. The reversal of 12221324324122 is 22142342312221.

It can be written as a sum of positive squares in 2 ways, for example, as 10376831673481 + 1844492650641 = 3221309^2 + 1358121^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12221324324122² (a number of 27 digits) contains 22 as substring.

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, 917785797 + ... + 917799112.

Almost surely, 2^{12221324324122} is an apocalyptic number.

12221324324122 is a deficient number, since it is larger than the sum of its proper divisors (6116168926778).

12221324324122 is a wasteful number, since it uses less digits than its factorization.

12221324324122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835588240.

The product of its digits is 18432, while the sum is 31.

Adding to 12221324324122 its reverse (22142342312221), we get a palindrome (34363666636343).

The spelling of 12221324324122 in words is "twelve trillion, two hundred twenty-one billion, three hundred twenty-four million, three hundred twenty-four thousand, one hundred twenty-two".