12221200002022 has 32 divisors (see below), whose sum is σ = 22289157348480. Its totient is φ = 4953146071680.

The previous prime is 12221200001987. The next prime is 12221200002023. The reversal of 12221200002022 is 22020000212221.

It is a junction number, because it is equal to n+sod(n) for n = 12221200001987 and 12221200002005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221200002023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859914088 + ... + 859928299.

It is an arithmetic number, because the mean of its divisors is an integer number (696536167140).

Almost surely, 2^{12221200002022} is an apocalyptic number.

12221200002022 is a deficient number, since it is larger than the sum of its proper divisors (10067957346458).

12221200002022 is a wasteful number, since it uses less digits than its factorization.

12221200002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719842436.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12221200002022 its reverse (22020000212221), we get a palindrome (34241200214243).

The spelling of 12221200002022 in words is "twelve trillion, two hundred twenty-one billion, two hundred million, two thousand, twenty-two".