12221202001122 has 24 divisors (see below), whose sum is σ = 26480564797440. Its totient is φ = 4073534955000.

The previous prime is 12221202001117. The next prime is 12221202001123. The reversal of 12221202001122 is 22110020212221.

It is a happy number.

12221202001122 is a `hidden beast` number, since 1 + 222 + 120 + 200 + 1 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12221202001095 and 12221202001104.

It is not an unprimeable number, because it can be changed into a prime (12221202001123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16208254 + ... + 16945497.

It is an arithmetic number, because the mean of its divisors is an integer number (1103356866560).

Almost surely, 2^{12221202001122} is an apocalyptic number.

12221202001122 is an abundant number, since it is smaller than the sum of its proper divisors (14259362796318).

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

12221202001122 is a wasteful number, since it uses less digits than its factorization.

12221202001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33174238 (or 33174235 counting only the distinct ones).

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

Adding to 12221202001122 its reverse (22110020212221), we get a palindrome (34331222213343).

The spelling of 12221202001122 in words is "twelve trillion, two hundred twenty-one billion, two hundred two million, one thousand, one hundred twenty-two".