12220021220122 has 8 divisors (see below), whose sum is σ = 18335656274400. Its totient is φ = 6108135795324.

The previous prime is 12220021220063. The next prime is 12220021220137. The reversal of 12220021220122 is 22102212002221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12220021220122.

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, 937399222 + ... + 937412257.

It is an arithmetic number, because the mean of its divisors is an integer number (2291957034300).

Almost surely, 2^{12220021220122} is an apocalyptic number.

12220021220122 is a deficient number, since it is larger than the sum of its proper divisors (6115635054278).

12220021220122 is a wasteful number, since it uses less digits than its factorization.

12220021220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874814740.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12220021220122 its reverse (22102212002221), we get a palindrome (34322233222343).

The spelling of 12220021220122 in words is "twelve trillion, two hundred twenty billion, twenty-one million, two hundred twenty thousand, one hundred twenty-two".